M2M HDM1004G User manual

Copyright © Shenzhen Head Weblink Technology CO,. Ltd. 2014
Website:http://www.headele.com Tel No. [phone] Fax No. [phone]
HDM1004G_User Guide
V1.01

Copyright © Shenzhen Head Weblink Technology CO,. Ltd. 2014
Website:http://www.headele.com Tel No. [phone] Fax No. [phone]
Document Title
HDM1004G User Guide
Version
V1.03
Date
2014-11-01
Status
Release
Document Control ID
HDM1004G_User Guide_V1.03
General Notes.
Shenzhen Weblink Technology CO,. Ltd offers this information as a service to its
customers, to support application and engineering efforts that use the products designed by
Shenzhen Weblink Technology CO,. Ltd. The information provided is based upon requirements
specifically provided to Shenzhen Weblink Technology CO,. Ltd by the customers. Shenzhen
Weblink Technology CO,. Ltd has not undertaken any independent search for additional relevant
information, including any information that may be in the customer’s possession. Furthermore,
system validation of this product designed by Shenzhen Weblink Technology CO,. Ltd within a
larger electronic system remains the responsibility of the customer or the customer’s system
integrator. All specifications supplied herein are subject to change.

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Version History
Date
Version
Description of change
Author
2012-05-3
1.00
Origin
Jianhua Liu
2012-08-15
1.01
§6.3 Correct the PIN assignment
Zhenrong Qu
2013-05-22
1.02
§6.3 Correct the signal assignment
Jianhua Liu
2014-11-01
1.03
1.Modify interface connector
2.Modify voltage input level
Jianhua Liu

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1Introduction
This document describes features, functions and interfaces of HDM1004G terminal in
great detail. HDM1004G is designed for global market. It’s on sale of follow frequency bands list.
Frequency bands version C.
LTE-FDD. B1,3,7,8
LTE-TDD.B38,39,40,41
WCDMA.900/2100MHz
TDSCDMA. band A and band B
GSM.900/1800MHz
Frequency bands version E.
LTE-FDD. B1,3,7,8,20
LTE-TDD.B38,40
WCDMA.900/2100MHz
GSM.900/1800MHz
Frequency bands version A.
LTE-FDD. B2,4,5,17
WCDMA.850/1900MHz
User can choose the module based on the wireless network configuration. Which is a ideal
solution for wireless m2m applications. With the help of this document user can understand
HDM1004G interface specifications, electrical and mechanical quickly.
Figure 1: HDM1004G overview

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2Key features
HDM1004G terminal has the following features:
1. Standard AT commands set
2. USB, RS232 or RS485 interface.
3. Watch-dog function
4. ESD protection
5. GPIOs
6. +5V~+30V Power supply
7. -40℃~+80℃
Table 1: HDM1004G key features
Feature
Implementation
Power supply
+5V ~ +30V
Power saving
Typical power consumption in sleep mode is 70mW
( BS-PA-MFRMS=9 )
Frequency bands
Frequency bands version C.
LTE-FDD. B1,3,7,8
LTE-TDD.B38,39,40,41
WCDMA.900/2100MHz
TDSCDMA. band A and band B
GSM.900/1800MHz
Frequency bands version E.
LTE-FDD. B1,3,7,8,20
LTE-TDD.B38,40
WCDMA.900/2100MHz
GSM.900/1800MHz
Frequency bands version A.
LTE-FDD. B2,4,7,17
WCDMA.850/1900MHz
. HDM1004G can search the frequency bands automatically.
The frequency bands also can be set by AT command
“AT+CBAND”. For details, please refer to AT command
document .
Compliant to GSM Phase 2/2+

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Transmitting power
GSM/GPRS
Class 4 (2W): GSM850、EGSM900
Class 1 (1W): DCS1800、PCS1900
EDGE
Class E2 (0.5W): GSM850、EGSM900
Class E1 (0.4W): DCS1800、PCS1900
UMTS
Class 3 (0.25W): WCDMA, Class 2 (0.25W): TD-SCDMA
LTE
Class 3 (0.25W): LTE
Temperature range
Normal operation: --40°C ~ +80°C
Restricted operation: -45°C ~ +85°C*
Storage temperature -45°C ~ +90°C
Data rate
LTE Category 3 - 100 Mbps (DL)
LTE Category 3 - 50 Mbps (UL)
HSPA+: 5.76 Mbps(UL), 42 Mbps(DL)
WCDMA data downlink transfer: max. 14.4Mbps
WCDMA data uplink transfer: max.5.76Mbps
UMTS R99 speed: 384 kbps DL/UL
EDGE multi-slot class 12
GPRS multi-slot class 12
CSD
Support CSD transmission
USSD
Unstructured Supplementary Services Data (USSD) support
SMS
MT, MO, CB, Text and PDU mode
SMS storage: SIM card
FAX
Group 3 Class 1
SIM interface
Support SIM card: 1.8V, 3V
External antenna
SMA type RF connector
USB port
This interface is compliant with the USB2.0 specification. The
USB2.0 specification requires hosts such as the computer to support
all three USB speeds, namely low-speed (1.5Mbps), full-speed
(12Mbps) and high-speed (480Mbps). USB charging and USB-OTG is
not supported.
RS232 serial port
Serial port:
Full modem interface with status and control lines, unbalanced,
asynchronous.
supports the baud rate:300, 600, 1200, 2400, 4800, 9600,
19200, 38400, 57600, 115200, 230400, 460800bps. Default rate

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is 115200bps..
Can be used for AT commands data stream.
Support RTS/CTS hardware handshake and software ON/OFF
flow control.
Multiplex ability according to GSM 07.10 Multiplexer Protocol.
Autobauding supports baud rate from 1200 bps to 57600bps.
Phonebook
management
Support phonebook types: SM, FD, LD, RC, ON, MC.
SIM application toolkit
GSM 11.14 Release 99
Physical characteristics
Size: 116*59*23mm
Weight: 110g
Firmware upgrade
Firmware upgradeable by USB interface
*HDM1004G does work at this temperature, but some radio frequency characteristics may
deviate from the LTE specification.

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3Terminal dimensions
Figure 2: Mechanical dimensions of HDM1004G（Unit: mm）

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4Installation
The terminal can be fixed by four screw holes as follow figure.
Figure 3: Installation of the terminal
5Interface introduction
5.1 Overview
HDM1004G Terminal provides the following connectors for power supply, GPIOs,Serial
port and antenna:
The 3G antenna interface(SMA type female connector)
The 2 PIN I/O port for power supply
The 10 PIN I/O port for GPIOs and RS232
LED indicator for power (Red) and GSM Net light (Green)
SIM card holder

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Pins
Direction
Description
1
I
Power supply. +5V~+30V
2
GND
3
I/O
GPIO4
4
I/O
GPIO3
5
I/O
GPIO2
6
O
UART Ring
7
I
UART RTS
8
O
UART CTS
9
O
UART TXD or RS485 TXD
10
I
UART RXD or RX485 RXD
11
O
UART DCD
12
I
UART DTR
Figure 4: HDM1004G interface Front view
Figure 5: HDM1004G interface Back view
Note: For the I/O interface, Shenzhen Weblink Technology CO,. Ltd could provide 2-line cable
and 10-line cable (optional) to assist developers; it will be introduced at the following chapter.