Multitech MultiModem iCell User manual

MultiModem®iCell
Intelligent Wireless Modem
User Guide

Multi-Tech Systems, Inc. MultiModem iCell User Guide 2
MultiModem® iCell User Guide
Intelligent Wireless Modem
MTCMR-E1, -C1, -G2, -H4, -EV2, optional -GP builds
S000484D, Revision D
Copyright
This publication may not be reproduced, in whole or in part, without prior expressed written permission from Multi-Tech
Systems, Inc. All rights reserved. Copyright © 2010 by Multi-Tech Systems, Inc.
Multi-Tech Systems, Inc. makes no representation or warranties with respect to the contents hereof and specifically disclaims
any implied warranties of merchantability or fitness for any particular purpose.
Furthermore, Multi-Tech Systems, Inc. reserves the right to revise this publication and to make changes from time to time in the
content hereof without obligation of Multi-Tech Systems, Inc., to notify any person or organization of such revisions or changes.
Check Multi-Tech’s Web site for current versions of our product documentation.
Revision History
Revision Date Description
A 05/17/10 Initial release of E1 build.
B 06/07/10 Release to add C1 build.
C 07/06/10 Release to add G2 build and –GP build options.
D 10/21/10 Release to add H4, EV2 builds and –GP build options.
Trademarks and Logos
The Multi-Tech logo and MultiModem are registered trademarks of Multi-Tech Systems, Inc. Windows is a registered trademark
of Microsoft in the U.S. and other countries. Other trademarks and trade names mentioned in this publication belong to their
respective owners.
Contacting Multi-Tech Support
In order to better serve our customers, manage support requests and shorten resolution times, we have created the online web
portal allowing you to submit questions regarding Multi-Tech products directly to our technical support team. Get answers to
your most complex questions, ranging from implementation, troubleshooting, product configuration, firmware upgrades and
much more.
To create an account and submit a Support Case on the Portal, visit: https://support.multitech.com
Online Web Portal https://support.multitech.com
The Knowledge Base provides immediate answers to your questions and gives you access to support resolutions for all Multi-
Tech products. Visit our support area on the website for other support services.
Knowledge Base and Support Services www.multitech.com/support.go
World Headquarters
Multi-Tech Systems, Inc.
2205 Woodale Drive
Mounds View, Minnesota 55112
Phone: [phone] or 800-328-9717
Fax: [phone]
Technical Support
Business Hours: M-F, 9am to 5pm CST
Country By Email By Phone
Europe, Middle East, Africa: [e-mail] +(44) 118 959 7774
U.S., Canada, all others: [e-mail] [phone] or [phone]
Warranty
To read the warranty statement for your product, please visit: http://www.multitech.com/warranty.go

Multi-Tech Systems, Inc. MultiModem iCell User Guide 3
Contents
Chapter 1 – Product Description and Specifications............................................................................................... 4
Product Description .................................................................................................................................................. 4
Related Documentation............................................................................................................................................ 5
Universal IP..............................................................................................................................................................................5
MultiModem MTCMR-E1 (EDGE)............................................................................................................................................5
MultiModem MTCMR-C1 (CDMA)............................................................................................................................................5
MultiModem MTCMR-G2 (GPRS)............................................................................................................................................5
MultiModem MTCMR-H4 (HSPA) ............................................................................................................................................5
MultiModem MTCMR-EV2 (EV-DO).........................................................................................................................................5
Package Contents .................................................................................................................................................... 5
Safety........................................................................................................................................................................ 6
General Safety.........................................................................................................................................................................6
RF Interference Issues.............................................................................................................................................................6
Vehicle Safety..........................................................................................................................................................................6
Maintenance of the Wireless MultiModem ...............................................................................................................................6
Handling Precautions...............................................................................................................................................................6
Front Panel ............................................................................................................................................................... 7
LEDs........................................................................................................................................................................................7
Back Panel................................................................................................................................................................ 7
Specifications............................................................................................................................................................ 8
Power.......................................................................................................................................................................................9
RF Specifications...................................................................................................................................................... 9
Antenna Specifications ........................................................................................................................................... 10
GSM/EGSM Antenna Requirements/Specifications...............................................................................................................10
Antennas Available from Multi-Tech Systems, Inc.................................................................................................................10
PTCRB Requirements Note...................................................................................................................................................10
FCC Requirements Note........................................................................................................................................................10
Global Positioning System (GPS) ..........................................................................................................................................11
GPIO (General Purpose Input/Output) Connector ................................................................................................. 12
RS232 9-Pin Functions of the Female End Connector .......................................................................................... 12
Chapter 2 – Activation and Installation ................................................................................................................... 13
Activate Your Wireless Account.............................................................................................................................. 13
Insert the SIM Card into Holder [if required]........................................................................................................... 13
Connect the Antenna, Serial Cable, GPIO Cable, and Power ............................................................................... 14
Optional – Attach the Modem to a Flat Surface...................................................................................................... 15
USB Virtual COM Port Installation.......................................................................................................................... 16
Install the Modem Driver......................................................................................................................................... 17
Chapter 3 – Using Your Wireless Modem................................................................................................................ 21
Phone Numbers for the Wireless Modem............................................................................................................... 21
Examples of Useful AT Commands........................................................................................................................ 21
Verifying Signal Strength........................................................................................................................................................21
Checking Network Registration and Roaming Status.............................................................................................................21
Checking the Modem’s Identity..............................................................................................................................................21
Connecting to the Internet ...................................................................................................................................... 22
Connecting to a CDMA Network for Internet Access..............................................................................................................22
Connecting to an EDGE/GPRS Network for Internet Access.................................................................................................22
Create Your Dial-Up Connection in Windows Vista and XP...................................................................................................23
Generic Dial-Up Method - Non-Windows...............................................................................................................................24
Appendix A – Regulatory Compliance..................................................................................................................... 25
EMC, Safety, and R&TTE Directive Compliance....................................................................................................................25
International Modem Restrictions...........................................................................................................................................25
FCC Part 15 Class B Statement.............................................................................................................................................25
Industry Canada.....................................................................................................................................................................25
Appendix B – DC Power Cable................................................................................................................................. 26
Appendix C – Environmental Information............................................................................................................... 27
Waste Electrical and Electronic Equipment (WEEE) Statement ............................................................................................27
REACH Statement.................................................................................................................................................................27
Restriction of the Use of Hazardous Substances (RoHS)......................................................................................................28
C – RoHS...............................................................................................................................................................................29
INDEX.......................................................................................................................................................................... 30

Multi-Tech Systems, Inc. MultiModem iCell User Guide 4
Chapter 1 – Product Description and
Specifications
Product Description
The Multi-Tech MultiModem® iCell is a mid-range wireless modem containing an embedded TCP/IP protocol stack for Internet
connectivity, serial and USB connectors for modem configuration, and a General Purpose Input/Output (GPIO) connector for
customer interface connection. All MultiModem iCells can be desktop or panel mounted.
Model
Description
MTCMR-E1 Quad-band E-GPRS Class 12 performance
MTCMR-E1-GP Quad-band E-GPRS Class 12 performance; GPS functionality
MTCMR-C1 Multi-band CDMA2000 1xRTT performance
MTCMR-C1-GP Multi-band CDMA2000 1xRTT performance; GPS functionality
MTCMR-G2 Quad-band GSM/GPRS Class 10 performance
MTCMR-G2-GP Quad-band GSM/GPRS Class 10 performance; GPS functionality
MTCMR-H4 Standards based tri-band UMTS/HSPA performance
MTCMR-H4-GP Standards based tri-band UMTS/HSPA performance; GPS functionality
MTCMR-EV2 Dual-band 800/1900 MHz with receive diversity support on EVDO bands
MTCMR-EV2-GP Dual-band 800/1900 MHz with receive diversity support on EVDO bands;
GPS functionality
The MTCMR contains an embedded TCP/IP protocol stack to bring Internet connectivity to any device without making changes
to its hardware design. Using the Internet protocols and the wireless connection to an IP network, the modem sends and
receives data over the Internet. The modem offers short message service (SMS) features such as text and PDU, Point-to-point
(MT/MO) and cell broadcast.
The MultiModem iCell modem delivers some of the fastest cellular wireless data speeds using the various Internet protocols.
This is ideal for highly data-intensive applications such as remote video surveillance and other multimedia applications where
you are sending digital images, web pages and photographs.
The MultiModem iCell modem is designed around a wide variety of interface options including serial RS-232, USB, and General
Purpose Input/Output (GPIO). The serial RS-232 and USB connections provide seamless connectivity for configuration of your
application. The GPIO interface provides five user-configurable GPIO’s as CMOS input or output ports to be connected to a
customer’s peripheral device. A customer application in which the GPIO interface could be used is one with a monitoring device
connected to the GPIO interface in which the monitoring device triggers an event in the IP stack to establish a TCP or UDP
socket connection or send an email stating that the monitoring device was triggered by high water.

Chapter 1
Multi-Tech Systems, Inc. MultiModem iCell User Guide 5
Related Documentation
Universal IP
All MultiModem iCell modems are equipped with an embedded TCP/IP protocol stack to automate the connection process and
open a socket for bidirectional data transmission. Multi-Tech’s Universal IP supports Telnet, SMTP/POP, FTP, TCP, UDP, PPP
as well as other automatic call management options.
AT Commands: The embedded TCP/IP stack on the MultiModem iCell modems is configured using the
Universal IP (UIP) AT Commands. These commands are documented in the Reference Guide document
number S000457x.
MultiModem MTCMR-E1 (EDGE)
The MultiModem iCell MTCMR-E1 wireless modem delivers some of the fastest cellular wireless data speeds utilizing EDGE
technology. It allows users to connect to the Internet, send and receive data up to three times faster than possible with an
ordinary GSM/GPRS network making it ideal for highly data-intensive multimedia applications.
AT Commands: The MultiModem MTCMR-E1 wireless modem is configured using the EDGE AT
Commands. These commands are documented in the Reference Guide for the MultiModem Wireless EDGE
Modems, document number S000474x.
MultiModem MTCMR-C1 (CDMA)
The MultiModem iCell MTCMR-C1 wireless modem offers standards-based multi-band CDMA2000 1xRTT performance. The
ready-to-deploy, standalone modem allows developers to add wireless communication to products with a minimum of
development time and expense.
AT Commands: The MultiModem MTCMR-C1 wireless modem is configured using the CDMA AT
Commands. These commands are documented in the Reference Guide for the MultiModem Wireless CDMA
Modems, document number S000478x.
MultiModem MTCMR-G2 (GPRS)
The MultiModem iCell MTCMR-G2 wireless modem offers standards-based quad-band GSM/GPRS Class 12 performance.
Ready to deploy, standalone data modem allows developers to add wireless communication to products with a minimum of
deployment time and expense.
AT Commands: The MultiModem MTCMR-G2 wireless modem is configured using the GPRS AT
Commands. These commands are documented in the Reference Guide for the MultiModem Wireless GPRS
Modems, document number S000463.
MultiModem MTCMR-H4 (HSPA)
The MultiModem iCell MTCMR-H4 delivers some of the fastest cellular data speeds by utilizing HSPA technology. Based on
industry-standard open interfaces, the SocketModem cellular modem is equipped with quad-band, high-speed RS232
technology, which means it can be used worldwide on all existing GSM networks.
AT Commands: The MultiModem MTCMR-H4 wireless modem is configured using the HSPA AT
Commands. These commands are documented in the Reference Guide number S000483x.
MultiModem MTCMR-EV2 (EV-DO)
The MultiModem iCell MTCMR-EV2 wireless modems are 3G units supporting CDMA EV-DO Rev A and below. Based on
industry-standard open interfaces, the MultiModem iCell is equipped with dual-band 800/1900 MHz bands with receive diversity
support on both bands.
AT Commands: The MultiModem MTCMR-EV2 wireless modem is configured using the EV-DO AT
Commands. These commands are documented in the Reference Guide number S000482x.
Package Contents
Note: Your wireless provider will supply the SIM card (not needed for -C1/ -EV2 versions).
Unbundled Package with No Accessories
Bundled Package with Accessories
1 modem
1 MultiModem CD
Note: You must supply mounting screws, AC or DC power
supply, and antenna(s).
1 modem
1 antenna (-GP builds will get additional GPS antenna)
1 RS232 cable
1 USB cable
1 GPIO cable
1 power supply (-GP builds do not include power supply)
1 MultiModem CD
Note: You must supply mounting screws.

Chapter 1
Multi-Tech Systems, Inc. MultiModem iCell User Guide 6
Safety
General Safety
The modem is designed for and intended to be used in fixed and mobile applications. “Fixed” means that the device is physically
secured at one location and is not able to be easily moved to another location. “Mobile” means that the device is designed to be
used in other than fixed locations.
Caution: Maintain a separation distance of at least 20 cm (8 inches) between the transmitter’s antenna
and the body of the user or nearby persons. The Modem is not designed for or intended to be used in
portable applications within 20 cm. (8 inches) of the body of the user.
RF Interference Issues
It is important to follow any special regulations regarding the use of radio equipment due in particular to the possibility of radio
frequency, RF, interference. Please follow the safety advice given below carefully.
●Switch OFF your MultiModem when in an aircraft. The use of cellular telephones in an aircraft may endanger the
operation of the aircraft, disrupt the cellular network and is illegal. Failure to observe this instruction may lead to
suspension or denial of cellular telephone services to the offender, or legal action or both.
●Switch OFF your MultiModem when around gasoline or diesel-fuel pumps and before filling your vehicle with fuel.
●Switch OFF your MultiModem in hospitals and any other place where medical equipment may be in use.
●Respect restrictions on the use of radio equipment in fuel depots, chemical plants or where blasting operations are in
progress.
●There may be a hazard associated with the operation of your MultiModem close to inadequately protected personal
medical devices such as hearing aids and pacemakers. Consult the manufacturers of the medical device to determine
if it is adequately protected.
●Operation of your MultiModem close to other electronic equipment may also cause interference if the equipment is
inadequately protected. Observe any warning signs and manufacturers’ recommendations.
Vehicle Safety
●Do not use your MultiModem while driving.
●Respect national regulations on the use of cellular telephones in vehicles. Road safety always comes first.
●If incorrectly installed in a vehicle, the operation of MultiModem telephone could interfere with the correct functioning of
vehicle electronics. To avoid such problems, be sure that qualified personnel have performed the installation.
Verification of the protection of vehicle electronics should be part of the installation.
●The use of an alert device to operate a vehicle’s lights or horn on public roads is not permitted.
Maintenance of the Wireless MultiModem
Your wireless MultiModem is the product of advanced engineering, design, and craftsmanship and should be treated with care.
The suggestions below will help you to enjoy this product for many years.
●Do not expose the MultiModem to any extreme environment where the temperature or humidity is high.
●Do not attempt to disassemble the MultiModem. There are no user serviceable parts inside.
●Do not expose the MultiModem to water, rain, or spilled beverages. It is not waterproof.
●Do not abuse your MultiModem by dropping, knocking, or violently shaking it. Rough handling can damage it.
●Do not place the MultiModem alongside computer discs, credit or travel cards, or other magnetic media. The
information contained on discs or cards may be affected by this device.
●The use of accessories not authorized by Multi-Tech or not compliant with Multi-Tech’s accessory specifications may
invalidate the warranty of the MultiModem.
●In the unlikely event of a fault in the MultiModem, contact Multi-Tech Technical Support.
Handling Precautions
All devices must be handled with certain precautions to avoid damage due to the accumulation of static charge. Although input
protection circuitry has been incorporated into the devices to minimize the effect of this static build up, proper precautions should
be taken to avoid exposure to electrostatic discharge during handling and mounting.

Chapter 1
Multi-Tech Systems, Inc. MultiModem iCell User Guide 7
Front Panel
The front panel is designed with two groups of LEDs that display modem activity and signal strength. The first group of LEDs
display modem activity, such as transmit and receive data, carrier detection, link status, terminal ready indicating connection to
the pc, and the power indicator. The three Signal LEDs display the signal strength level of the wireless connection. The SIM
door on the right side of the modem provides access to the SIM card holder for those configurations.
MTCMR-E1, -G2, -H4
MTCMR-C1, -EV2
LEDs
LED Indicators
TD Transmit Data: Lit when modem is transmitting data. Not valid while in USB mode.
RD Receive Data: Lit when modem is receiving data. Not valid while in USB mode.
CD Carrier Detect: Lit when data connection has been established. Not valid while in USB mode.
LS Link Status LED is dependent on the model:
-E1 version* (When AT^SSYNC=1) -G2 and -C1 versions -H4 and -EV2 versions
Permanently off. ME is in one of the
following modes: Power Down mode,
Airplane mode Non-Cyclic Sleep mode with
no temporary wake-up event in progress.
600 ms on/600 ms off
Limited Network Service: No SIM card
inserted or no PIN entered, or network search
in progress or ongoing user authentication, or
network login in progress.
75 ms on/3 sec off
Idle mode: The mobile is registered to the
GSM network (monitoring control channels
and user interactions). No call is in progress.
75 ms on/ 75 ms off/75 ms on/3 sec off
One or more GPRS contexts activated.
500 ms on/ 25 ms off
Packet switched data transfer in progress.
Permanently on
CSD call – Connected to remote party.
Continuous “on” state
indicates that the wireless
modem is not registered on the
network.
Flashing states:
200 ms on / 2 sec off
Indicates registration on
network.
200 ms on / 600 ms off
Indicates it is registered on a
network and communication is
in progress.
Off state. Modem is off (not
ready) or in download mode.
Continuous “on” state
indicates that the modem is
powered on, and registered on
the network.
Slow flashing state (5
seconds) indicates the modem
powered on and searching for
registration on a network.
Fast flashing state (0.3
seconds) indicates the modem
is transmitting or receiving.
Off state. Modem is off (not
powered).
TR Terminal Ready: Commonly referred to as “Data Terminal Ready”, this is a readiness signal from the PC.
PWR /
GPS Power: Indicates presence of DC power when lit.
GPS: If a valid GPS signal has been received, the PWR/GPS LED will blink at 1 second ON, and 0.5 second OFF.
If GPS signal is invalid, the PWR/GPS LED will be on solid.
Signal ALL OFF – Unit is off, not registered on a network or has an extremely weak signal (0 < = RSSI < 6).
1 Bar ON – Very weak signal (7 < = RSSI < 14)
1 and 2 Bars ON – Weak signal (15 < = RSSI < 23)
1, 2, and 3 Bars ON – Good signal (24 < = RSSI < 31)
*To be accurate, the AT^SSYNC command must be set to 1 so that factory default LED timings are used.
Back Panel
Your back panel will differ only if you have purchased the optional GP model that has an additional connector for a GPS
antenna. The GPS antenna connector is located between the power connector and the RS-232 connector. The far right
connector is for the wireless antenna.
MTCMR-xx
MTCMR-xx-GP (GPS antenna)

Multi-Tech Systems, Inc. MultiModem iCell User Guide 8
Specifications
Features
MTCMR-E1
MTCMR-C1
MTCMR-G2 MTCMR-H4
MTCMR-EV2
Performance EDGE: E-GPRS Class 12,
GPRS: Class 10
CDMA2000 1xRTT GPRS Class 10 HSPA CDMA2000 1xRTT
EV-DO Rev. A
Band, Frequency Quad-band GSM/GPRS/EDGE
850/900/1800/1900 MHz Dual-band 800/1900 MHz CDMA;
800 MHz and 800/1900 MHz with
R-UIM support
Quad-band GSM
850/900/1800/1900 MHz HSUPA / HSDPA / UMTS Triple-
band: 2100/1900/850 MHz with Rx
diversity
Dual-band 800/1900 MHz CDMA;
800 MHz and 800/1900 MHz with
R-UIM support
Packet Data EDGE: E-GPRS Up to 240K bps,
coding scheme MCS 1-9, mobile
station Class B, LLC layer, 4 time
slots. GPRS: Full PBCCH support,
coding scheme 1-4, mobile station
Class B
Up to 153.6K bps forward and
reverse Up to 85.6K bps, coding schemes CS1 to CS4 HSDPA data service of up to 7.2 Mbps
HSUPA data service of up to
5.76 Mbps
Up to 153.6K bps forward and
reverse
Circuit-Switched
Data
Up to 14.4K bps, non-transparent IS-95A, IS-95B up to 14.4K bps
forward and reverse Up to 14.4K bps transparent and non-transparent Up to 14.4K bps transparent and non-transparent IS-95A, IS-95B up to 14.4K bps forward and reverse
Short Message
Services-SMS
Text & PDU, Point-to-Point
(MO/MT), cell broadcast
Text & PDU, Point-to-Point
(MO/MT), cell broadcast
Text & PDU, Point-to-Point, cell
broadcast
Text & PDU, Point-to-Point
(MO/MT), cell broadcast
Text & PDU, Point-to-Point
(MO/MT), cell broadcast
Antenna
Connector
RF Antenna: 50 ohm SMA (female
connector)
RF Antenna: 50 ohm SMA (female
connector)
RF Antenna: 50 ohm SMA
(female connector)
RF Antenna: 50 ohm SMA (female
connector)
RF Antenna: 50 ohm SMA (female
connector)
SIM Connector
Standard 1.8 and 3V SIM slot
-
Standard 1.8 and 3V SIM slot
Standard 1.8 and 3V SIM slot
-
External
Connectors
RS2323: DE9; GPIO: 6 pin 2x3 style; Power: 2.5mm miniature (screw-on); USB: Type B
Voltage
9V to 32 VDC 9V to 32 VDC 9V to 32 VDC 9V to 32 VDC 9V to 32 VDC
Physical
Description 4.9” Width x 1.1” Height x 3.1” Depth 8 ounces
12.4 cm Width x 2.8 cm Height x 7.9 cm Depth 227 grams
Operating
Temperature * -35° to +75° C
UL listed @ 40° -40° to +85° C UL listed @ 40° -40° to +85° C UL listed @ 40° -30° to +60° C UL listed @ 40° -30° to +85° C UL listed @ 40°
Storage Temp
-40° to +85° C
-40° to +85° C
-40° to +85° C
-40° to +85° C
-40° to +85° C
Humidity
Relative humidity 20% to 90% noncondensing
Certifications EMC Compliance
FCC Part 15 Class B
EN55022 Class B
Radio Compliance
FCC Part 22, 24
RSS132,133
EN301 489-1
EN301 489-3 (-GP only)
EN301 489-7
EN301 511
EN301 908
AS/ACIF S042.1, S042.3
Safety: UL60950-1
cUL60950-1
IEC60950-1
Network: PTCRB
EMC Compliance
FCC Part 15 Class B
EN55022 Class B
Radio Compliance
FCC Part 22, 24
RSS132,133
Safety: UL60950-1
cUL60950-1
IEC60950-1
Network: CDG 1&2
EMC Compliance
FCC Part 15 Class B
EN55022 Class B
Radio Compliance
FCC Part 22, 24
RSS132,133
EN301 489-1
EN301 489-3 (-GP only)
EN301 489-7
EN301 511
EN301 908
AS/ACIF S042.1, S042.3
Safety: UL60950-1
cUL60950-1
IEC60950-1
Network: PTCRB
EMC Compliance
FCC Part 15 Class B
EN55022 Class B
Radio Compliance
FCC Part 22, 24
RSS132,133
EN301 489-1
EN301 489-3 (-GP only)
EN301 489-7
EN301 489-24
EN301 511
EN301 908
AS/ACIF S042.1, S042.3
Safety: UL60950-1
cUL60950-1
IEC60950-1
Network:
PTCRB
EMC Compliance
FCC Part 15 Class B
EN55022 Class B
Radio Compliance
FCC Part 22, 24
Safety: UL60950-1
cUL60950-1
IEC60950-1
Network: CDG 1&2
* UL Listed @ 40° C, limited by power supply. UL Certification does not apply or extend to an ambient above 40° C and has not been evaluated by UL for ambient greater than 40° C.
“UL has evaluated this device for use in ordinary locations only. Installation in a vehicle or other outdoor locations has not been evaluated by UL. UL Certification does not apply or extend to use
in vehicles or outdoor applications or in ambient above 40° C.”

Chapter 1
Multi-Tech Systems, Inc. MultiModem iCell User Guide 9
Power
MTCMR-E1 MTCMR-C1 MTCMR-G2 MTCMR-H4 MTCMR-EV2
Sleep .091A, .84W @ 9V, .048A, .96W
@ 20V, .034A, 1.088W @ 32V
Typical .149A, 1.37W @ 9V, .077A,
1.54W @ 20V, .054A, 1.73W @ 32V
Max .416A, 3.77W @ 9V, .190A, 3.80W
@ 20V, .124A, 3.97W @ 32V
Peak. 2.5A @ 9V, 0.895A @ 20V,
0.625A @ 32V
Sleep .048A, .44W @ 9V, .027A,
.54W @ 20V, .021A, .67W @ 32V
Typical .128A, 1.18W @ 9V, .065A,
1.30W @ 20V, .046A, 1.47W @ 32V
Max .360A, 3.31W @ 9V, .171A,
3.42W @ 20V, .115A, 3.68W @ 32V
Sleep .069A, .64W @ 9V, .038A,
.76W @ 20V, .030A, .96W @ 32V
Typical .109A, 1.01W @ 9V, .056A,
1.12W @ 20V, .041A, 1.3W @ 32V
Max .194A, 1.79W @ 9V, .096A,
1.92W @ 20V, .065A, 2.1W @ 32V
Peak. 1.53A @ 9V, 0.668A @ 20V,
0.453A @ 32V
GSM 850
Sleep 0.090A, 0.83W @ 9V, 0.050A,
1.00W @ 20V, 0.035A, 1.12W @ 32V
Typical 0.150A, 1.39W @ 9V, 0.076A,
1.52W @ 20V, 0.051A, 1.63W @ 32V
Max 0.405A, 3.73W @ 9V, 0.186A,
3.72W @ 20V, 0.120A, 3.84W @ 32V
Peak 2.25A @ 9V, 0.90A @ 20V,
0.63A @ 32V HSPA
Sleep 0.090A, 0.83W @ 9V, 0.050A,
1.00W @ 20V, 0.035A, 1.12W @ 32V
Typical 0.330A, 3.04W @ 9V, 0.165A,
3.30W @ 20V, 0.105A, 3.36W @ 32V
Max 0.570A, 5.23W @ 9V, 0.266A,
5.32W @ 20V, 0.170A, 5.44W @ 32V
CDMA2000
Sleep 0.061A, 0.56W @ 9V, 0.030A,
0.60W @ 20V, 0.023A, 0.74W @ 32V
Typical 0.160A, 1.47W @ 9v, 0.081A,
1.62W @ 20V, 0.055A, 1.76W @ 32V
Max 0.485A, 4.41W @ 9V, 0.230A,
4.60W @ 20V, 0.152A, 4.86W @ 32V
EV-DO
Sleep 0.108A, 1.00W @ 9V, 0.052A,
1.04W @ 20V, 0.041A, 1.31W @ 32V
Typical 0.330A, 3.04W @ 9V, 0.165A,
3.30W @ 20V, 0.105A, 3.36W @ 32V
Max 0.580A, 5.27W @ 9V, 0.313A,
6.26W @ 20V, 0.205A, 6.56W @ 32V
MTCMR-E1-GP MTCMR-C1-GP MTCMR-G2-GP MTCMR-H4-GP MTCMR-EV2-GP
Sleep .098A, .91W @ 9V, .051A,
1.02W @ 20V, .035A, 1.125W @ 32V
Typical .160A, 1.48W @ 9V, .080A,
1.60W @ 20V, .056A, 1.79W @ 32V
Max .410A, 3.77W @ 9V, .190A, 3.80W
@ 20V, .122A, 3.90W @ 32V
Peak 2.25A @ 9V, 0.890A @ 20V,
0.609A @ 32V
Sleep .096A, .89W @ 9V, .052A,
1.04W @ 20V, .037A, 1.18 W @ 32V
Typical .175A, 1.62W @ 9V, .092A,
1.84W @ 20V, .062A, 1.98W @ 32V
Max .435A, 4.00W @ 9V, .205A,
4.10W @ 20V, .135A, 4.32W @ 32V
Sleep .083A, .77W @ 9V, .046A,
.92W @ 20V, .036A, 1.15W @ 32V
Typical .130A, 1.19W @ 9V, .067A,
1.34W @ 20V; .050A, 1.6W @ 32V
Max .233A, 2.13W @ 9V, .115A,
2.30W @ 20V, .078A, 2.5W @ 32V
Peak. 1.83A @ 9V, 0.801A @ 20V,
0.543A @32V
GSM 850
Sleep 0.090A, 0.83W @ 9V, 0.050A,
1.00W @ 20V, 0.035A, 1.12W @ 32V
Typical 0.167A, 1.54W @ 9V, 0.080A,
1.60W @ 20V, 0.055A, 1.76W @ 32V
Max 0.435A, 3.97W @ 9V, 0.195A,
3.90W @ 20V, 0.127A, 4.06W @ 32V
Peak 2.60A @ 9V, 0.91A @ 20V,
0.60A @ 32V HSPA
Sleep 0.090A, 0.83W @ 9V, 0.050A,
1.00W @ 20V, 0.035A, 1.12W @ 32V
Typical 0.351A, 3.24W @ 9V, 0.172A,
3.44W @ 20V, 0.115A, 3.68W @ 32V
Max 0.586A, 5.38W @ 9V, 0.280A,
5.60W @ 20V, 0.180A, 5.76W @ 32V
CDMA2000
Sleep 0.119A, 1.10W @ 9V, 0.062A,
1.24W @ 20V, 0.044A, 1.41W @ 32V
Typical 0.220A, 2.02W @ 9V, 0.110A,
2.20W @ 20V, 0.075A, 2.40W @ 32V
Max 0.560A, 5.09W @ 9V, 0.265A,
5.30W @ 20V, 0.175A, 5.60W @ 32V
EV-DO
Sleep 0.167A, 1.54W @ 9V, 0.087A,
1.74W @ 20V, 0.062A, 1.98W @ 32V
Typical 0.370A, 3.40W @ 9V, 0.192A,
3.84W @ 20V, 0.121A, 3.87W @ 32V
Max 0.625A, 5.68W @ 9V, 0.345A,
6.90W @ 20V, 0.225A, 7.20W @ 32V
NOTE: Multi-Tech Systems, Inc. recommends that the customer incorporate a 10% buffer into their power source when determining product load.
RF Specifications
GSM 850 EGSM 900 GSM 1800 GSM 1900 CDMA 800 CDMA 1900
Frequency RX 869 to 894 MHz 925 to 960 MHz 1805 to 1800 MHz 1930 to 1990 MHz 869 to 894 MHz 1930 to 1990 MHz
Frequency TX 824 to 849 MHz 880 to 915 MHz 1710 to 1785 MHz 1850 to 1910 MHz 824 to 849 MHz 1850 to 1910 MHz
RF Power Stand 2W at 12.5% duty cycle 2W at 12.5% duty cycle 1W at 12.5% duty cycle 1W at 12.5% duty cycle - -

Multi-Tech Systems, Inc. MultiModem iCell User Guide 10
Antenna Specifications
GSM/EGSM Antenna Requirements/Specifications
Frequency Range: 824 – 960 MHz / 1710 – 1990 MHz
Impedance: 50 Ohms
VSWR: <2.0:1
Typical Radiated Gain: 3 dBi on azimuth plane
Radiation: Omni
Polarization: Vertical
Wave: Half Wave Dipole
Antennas Available from Multi-Tech Systems, Inc.
Quad Band Description Qty Part Number
Hinged Right Angle 800/900/1800/1900 MHz Cellular Modem Antenna 1 ANQB-1HRA
Hinged Right Angle 800/900/1800/1900 MHz Cellular Modem Antenna 10 ANQB-10HRA
Hinged Right Angle 800/900/1800/1900 MHz Cellular Modem Antenna 50 ANQB-50HRA
Dual Band Description Qty Part Number
Hinged Right Angle 900/1800 MHz Cellular Modem Antenna 1 ANF1-1HRA
Hinged Right Angle 900/1800 MHz Cellular Modem Antenna 10 ANF1-10HRA
Hinged Right Angle 900/1800 MHz Cellular Modem Antenna 50 ANF1-50HRA
Hinged Right Angle 800/1900 MHz Cellular Modem Antenna 1 ANCF2-1HRA
Hinged Right Angle 800/1900 MHz Cellular Modem Antenna 10 ANCF2-10HRA
Hinged Right Angle 800/1900 MHz Cellular Modem Antenna 50 ANCF2-501HRA
Mag Mount Dual Band Description Qty Part Number
Mag Mount 900/1800 MHz 1/2 Wave Cellular Antenna, 12.5" 1 ANF1-1MMHW
Mag Mount 900/1800 MHz 1/2 Wave Cellular Antenna, 12.5" 10 ANF1-10MMHW
Mag Mount 900/1800 MHz 1/2 Wave Cellular Antenna, 12.5" 50 ANF1-50MMHW
Mag Mount 900/1800 MHz 1/4 Wave Cellular Antenna, 4" 1 ANF1-1MMQW
Mag Mount 900/1800 MHz 1/4 Wave Cellular Antenna, 4" 10 ANF1-10MMQW
Mag Mount 900/1800 MHz 1/4 Wave Cellular Antenna, 4" 50 ANF1-50MMQW
Mag Mount 850/1900 MHz 1/2 Wave Cellular Antenna, 12.5" 1 ANCF2-1MMHW
Mag Mount 850/1900 MHz 1/2 Wave Cellular Antenna, 12.5" 10 ANCF2-10MMHW
Mag Mount 850/1900 MHz 1/2 Wave Cellular Antenna, 12.5" 50 ANCF2-50MMHW
Mag Mount 850/1900 MHz 1/4 Wave Cellular Antenna, 4" 1 ANCF2-1MMQW
Mag Mount 850/1900 MHz 1/4 Wave Cellular Antenna, 4" 10 ANCF2-10MMQW
Mag Mount 850/1900 MHz 1/4 Wave Cellular Antenna, 4" 50 ANCF2-50MMQW
GPS Description Qty Part Number
Mag Mount GPS Antenna, 5 Meter Cable 1 ANGPS-1MM
Mag Mount GPS Antenna, 5 Meter Cable 10 ANGPS-10MM
PTCRB Requirements Note
There cannot be any alteration to the authorized antenna system. The antenna system must be the same type with similar in-
band and out-of-band radiation patterns and maintain the same specifications.
FCC Requirements Note
The antenna gain, including cable loss, for the radio you are incorporating into your product design must not exceed the
requirements at 850 MHz and 1900 MHz as specified by the FCC grant for mobile operations and fixed mounted operations as
defined in 2.1091 and 1.1307 of the FCC rules for satisfying RF exposure compliance. The antenna used for transmitting must
be installed to provide a separation distance of at least 20 cm from all persons and must not transmit simultaneously with any
other antenna transmitters. User and installers must be provided with antenna installation instructions and transmitter operating
conditions to satisfying RF exposure compliance.

Chapter 1
Multi-Tech Systems, Inc. MultiModem iCell User Guide 11
Global Positioning System (GPS)
Technical Specifications
Receiver Type
L1 Frequency, GPS C/A code, SBAS Capable, 51 Channel Acquisitions,
14 Channel Tracking
Accuracy
Position 2.5m CEP, Velocity 0.1m/sec
Open Sky TTFF
Hot start 1 second, Cold start 29 seconds average, Reacquisition <1s
Sensitivity Tracking
-161dBm
Update Rate
1 Hz standard
Dynamics
4G
Operational Limits
Altitude <18,000m or Velocity < 515m/s
Datum
Default WGS-84
Interface
UART
Protocol
NMEA-0183 V3.01, GGA, GLL, GSA, GSV, RMC, VTG
Global Positioning System (GPS) – Underwriters Laboratories, Inc. Statement
Underwriters Laboratories Inc. (“UL”) has not tested the performance or reliability of the Global Positioning System (“GPS”)
hardware, operating software or other aspects of this product. UL has only tested for fire, shock or casualties as outlined in UL’s
Standard(s) for Safety. UL60950-1 Certification does not cover the performance or reliability of the GPS hardware and GPS
operating software. UL MAKES NO REPRESENTATIONS, WARRANTIES OR CERTIFICATIONS WHATSOEVER
REGARDING THE PERFORMANCE OR RELIABILITY OF ANY GPS RELATED FUNCTIONS OF THIS PRODUCT.

Chapter 1
Multi-Tech Systems, Inc. MultiModem iCell User Guide 12
GPIO (General Purpose Input/Output) Connector
The GPIO pins are configured using Universal IP (UIP) AT Commands. Refer to the Universal IP (UIP) AT Command
Reference Guide on your MultiModem CD. The following table explains the GPIO functions:
Pin Number
Description
GPIO 6-PinConnector
Pin 1 DIO 0
Pin 2 DIO 1
Pin 3 DIO 2 / ADC 0
Pin 4 DIO 3 / ADC 1
Pin 5 ADC 2
Pin 6 Gnd
The GPIO pins can be configured independent of each other.
●Pin 1 Digital Input, 24 Volt tolerant.
●Pin 2 Digital Input, 24 Volt tolerant.
●Pin 3 can be configured as either Digital Input (5V tolerant TTL/CMOS levels) or Digital Output (3.3V High) or as an
ADC input (0 to 3.3V rail)
●Pin 4 can be configured as either Digital Input (5V tolerant TTL/CMOS levels) or Digital Output (3.3V High) or as an
ADC input (0 to 3.3V rail)
●Pin 5 is configured as an ADC input (0 to 3.3V rail)
●Pin 6 is GND and must be connected to the ground of the attached device
GPIO DC Characteristics
Pins 1, 2
Input Voltage
Parameter
Min
Max
Units
Input Low-level Voltage
0.3
1.0
V
Input High-level Voltage
3.0
24
V
Pins 3, 4
Input Voltage
Parameter
Min
Max
Units
Input Low-level Voltage
-0.3
0.8
V
Input High-level Voltage
2.0
5.5
V
Pins 3, 4
Output Voltage
Parameter
Min
Max
Units
Output Low-level Voltage
0.0
0.4
V
Output High-level Voltage
2.9
3.3
V
Pins 3, 4
Output Current
Parameter
Min
Max
Units
Output Current
2
mA
Pins 1, 2 are digital input only.
Pin 5 is an analog input only.
Pins 1-5 contain ESD protection.
RS232 9-Pin Functions of the Female End Connector
External Power
Serial Cable
Female Connector
Signal IN/OUT
Pin 1 CD O
Pin 2 RX O
Pin 3 TX I
Pin 4 DTR I
Pin 5 GND --
Pin 6 DSR O
Pin 7 RTS I
Pin 8 CTS O
Pin 9 RI O

Multi-Tech Systems, Inc. MultiModem iCell User Guide 13
Chapter 2 – Activation and Installation
Activate Your Wireless Account
Please refer to the wireless account Activation Notices included with your unit and located on the MultiModem CD. Choose the
one for your wireless network provider and follow the directions to activate your account.
Phone Numbers for the Wireless Modem
Every wireless modem will have its own unique phone number. The phone number may simply be given to you by your wireless
service provider or it may be on the SIM card or both. Wireless provider implementations may vary.
Insert the SIM Card into Holder [if required]
The MultiModem requires the power supply connection to begin operation. It also requires a SIM card (Subscriber Identity
Module) to operate on a GSM network. To install the SIM, do the following:
1. Using a small Phillips screwdriver, remove the two SIM door screws and remove the SIM door.
Note: When changing a SIM, ensure that power is removed from the unit.
2. Insert the SIM card into the card holder. The above graphic illustrates the correct SIM card orientation.
3. Verify that the SIM card fits into the holder properly and then replace the cover.

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Multi-Tech Systems, Inc. MultiModem iCell User Guide 14
Connect the Antenna, Serial Cable, GPIO Cable,
and Power
1. Connect a suitable antenna to the SMA connector (see antenna specifications in Chapter 1).
2. If you are connecting to a serial interface, connect the DE9 connector (9-pin) of the RS232 cable to the RS232
connector on the modem and connect the other end to serial port on your PC.
If you are connecting to an USB interface, connect an USB cable to the USB connector on the back of the unit and the
other end to the USB port on your PC.
3. Connect the GPIO cable to the I/O connector on the modem and the other end to the external device that the modem
is monitoring.
4. Depending on the power source, connect either the power supply module with the appropriate blade or the optional
DC power cable. If you are using the power supply module, remove the protective shipping cover. Attach the
appropriate interchangeable blade piece to the power supply module.
Screw-on the power lead from the power supply module to the power connection on the modem. Now, plug the
power supply into your power source.
For Optional Direct DC Power
•Screw-on the DC power cable to the power connector on the modem.
•Then attach the two wires at the other end of the DC power cable to a DC fuse/terminal block on a vehicle in
which you are mounting the MultiModem.
•Connect red wire to the "+" (positive) terminal and black wire to the "–" (negative) terminal. Be sure the GND
connection is correct.
Warning: Over-voltage protection is provided on the device. To ensure complete protection, you may want to add
additional filtering to the DC input.
Note: For automotive application: according to the type of application, you can use permanent “+” or key-switched
“+” source. Connect the power supply to its source (for example, in a mobile situation, to the vehicle’s DC
fuse/terminal block).

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Multi-Tech Systems, Inc. MultiModem iCell User Guide 15
Optional – Attach the Modem to a Flat Surface
Before you mount your modem to a permanent surface, verify signal strength, refer to Using Your Wireless Modem, Verify
Signal Strength in Chapter 3.
Note: No matter what orientation is used for mounting your MultiModem, the antenna should always be vertical and pointing
upwards as the floor or ground may impede the performance of the antenna.
The modem can be panel mounted with screws spaced according to the measurement shown.

Chapter 2
Multi-Tech Systems, Inc. MultiModem iCell User Guide 16
USB Virtual COM Port Installation
Windows XP, VISTA, 2003 Server, 2008 Server, Windows 7 (32-bit or 64-bit), Linux (Kernel 2.6.xx using CDC-ACM module) are
supported.
For Linux, a 2.6 kernel is required. The standard CDC-ACM driver will work.
For Windows XP, VISTA, 2003 Server, 2008 Server, and Windows 7, run the automatic installer from your product CD or run
install.bat from the UIP_VCOM_autoinstall directory on your product CD and proceed with the procedure below.
Note: Certain levels of Windows have an issue with their CDC-ACM driver (Usbser.sys). If you are having connection problems
(file download, web pages not loading) your version of Usbser.sys must be updated. Microsoft article 925681 documents this
issue and provides a fix.
After installing the virtual com port, the correct modem driver may be installed to the com port (make sure the USB port of the
MTCMR is connected with a SIM card before the modem driver installation.
1. Power on the MTCMR ensuring that the SIM card (if applicable) is installed prior to powering up.
2. Ensure that the USB cable is connected to your pc.
3. If any Windows Install Wizard pops up, close or cancel the wizard.
4. Insert the product CD into a compatible drive.
5. Click on the Preinstall Windows Drivers button from the main splash screen of the CD.
6. Windows may pop-up a User Account Control window. Select the Continue button to continue with the driver
installation.
7. Click on the Next button to start the driver pre-installation.

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Multi-Tech Systems, Inc. MultiModem iCell User Guide 17
8. There will be a transitory screen, then the process will complete. Click on the Finish button.
9. Next, continue with installing the modem driver.
Install the Modem Driver
1. Click on the Control Panel button from the main splash screen on the CD.
2. The Control Panel is displayed; double-click on Phone and Modem Options icon. Then click on the Modems tab.

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Multi-Tech Systems, Inc. MultiModem iCell User Guide 18
3. When this Phone and Modem Options screen appears, click on the Add button.
4. On the Install New Modem screen, click Don’t detect my modem, I will select it from a list. Then click Next >.
5. On the Install New Modem screen, click the Have Disk button to browse for the driver file on the MultiModem CD.
Then click Next>.

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Multi-Tech Systems, Inc. MultiModem iCell User Guide 19
6. Make sure that the MultiModem CD is inserted into your CD-ROM, browse to your MultiModem CD.
7. Select the MTSMCIP_MTCMRIP.INF file.
Then click OK.
8. In the Models window, scroll down the list of Models and select the model that is applicable to your modem.
Once you have selected your model, click on Next>.

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Multi-Tech Systems, Inc. MultiModem iCell User Guide 20
9. You will now have to choose which com port the MultiModem is connected to.
If you know exactly which port your modem is on, click on that port; otherwise, check your Control Panel – Device
Manager to see what COM port(s) is available. Click Next >.
10. To finish the install, click on Finish.
You have now successfully installed the MultiModem driver to your PC.
Verifying That Your Modem Has Been Installed Successfully
1. After you have successfully installed the MultiModem driver as stated above, you should be brought back to the Phone
and Modems Options screen. Make sure that the modem is now listed under the columns Modem and Attached To
(the correct com port).
2. Highlight the modem and then click on Properties.
3. A Properties screen will open for the Multi-Tech modem. Click on the tab labeled Diagnostics.
4. In the middle of the screen, click on the Query Modem button. Windows will now try to query the Multi-Tech modem. If
this process passes, the second box on this screen will show the columns Command and Response.
Note: To make sure that the modem is correctly being queried, look at the LED lights of the modem after you click on
Query Modem. The TR light should come on and the TD and RD lights should flicker.
5. If this process passes, then the modem should be properly installed and ready for use. Click OK to close the modem
Properties window. Then click on OK to close the Phone and Modem Options window.