SimCom SIM300 User manual

SIM300 User Manual

Document Name: SIM300 User Guide
Version: 1.00
Date: 2006-6-18
DocId: SIM300 User Guide_V1.00
Status: Release
General Notes
Simcom offers this information as a service to its customers, to support application and
engineering efforts that use Simcom products. The information provided is based upon
requirements specifically provided to Simcom by the customers. Simcom 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 Simcom product 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.
Copyright
This document contains proprietary technical information which is the property of
SIMCOM Limited., copying of this document and giving it to others and the using or
communication of the contents thereof, are forbidden without express authority.
Offenders are liable to the payment of damages. All rights reserved in the event of grant
of a patent or the registration of a utility model or design. All specification supplied
herein are subject to change without notice at any time.
Copyright © SIMCOM Limited. 2006

Contents
1 SIM300 EVB and accessories................................................................................................4
1.1SIM300 EVB................................................................................................................4
1.2 accessories...................................................................................................................5
2 EVB and accessory equipment...............................................................................................5
3 Operation................................................................................................................................6
3.1 Tune up procedure.......................................................................................................6
3.2 Setup the phone call....................................................................................................6
3.3 GPRS start-up ...........................................................................................................12
4 AT command ........................................................................................................................12
5 FCC Requirements...............................................................................................................12
6 FCC RF exposure requirements...........................................................................................13

1 SIM300 EVB and accessories
1.1SIM300 EVB
Figure1：EVBTOPview
Figure2：EVBBOTTOMview
A: SIM300 module interface
B: SIM card interface
C: headset interface

D: Download switch, turn on or off download function
E: VBAT switch, switch the voltage source from the adaptor or external battery
F: PWRKEY key, turn on or turn off SIM300
G: buzzer
H: expand port, such as keypad port, main and debug serial port, display port
I: MAIN serial port for downloading, AT command transmitting, data exchanging
J: DEBUG serial port
K: hole for fixing the antenna
L: source adapter interface
M: light
N: hole for fixing the SIM300
O: headphones interface
1.2 accessories
A: antenna
B: antenna transmit line
C: headset
D: 5V DC source adapter
E: serial port line
2 EVB and accessory equipment
At normal circumstance, the EVB and its accessory are equipped as the nether figure：

Figure3：EVBandaccessoryequipment
3 Operation
Firstly，please equip the module and accessories as the figure 3：
3.1 Tune up procedure
1）switching the S1 switch to off state, S2 switch to ON state；
2) Press the PWRKEY button for about 1 second, then the LED glint，and the module is tuning
up successfully；
3.2 Setup the phone call
Please setup a HyperTerminal(AT command windows) step by step：
Step1，setup the HyperTerminal connect：

Step 2：Parameter setting（set the PC serial port and band rate）

Step 3：power on the module and key in theAT command：
1）power on the module；
2）key in the “AT”and enter，if the “OK” is feedback，it indicates that the module connecting

to the PC is successful；
3）Key in the “AT+CSQ” and enter，if the feedback is as below，it indicates that the module
connecting to the NET is successful；
4）Key in the “ATD112；” and enter to set a phone call，and key in “ATH”to hang up the call；

3.3 GPRS start-up
（Please see the GPRS start-up document）
4 AT command
（please see theAT command document）
5 FCC Requirements
Please note：
1）The SIM300 must be designed for mobile or fixed operation only (Portable is not permitted
and requires separate approval)；
2）When the SIM300 is integrated into a final product, the FCC ID label must be visible through a
window on the final device or it must be visible when an access panel，door or cover is easily
removed。If not，a second label must be placed on the outside of the final device that contains the
following text：
“Contains FCC ID：UDV-06060200600001”
SIM300 FCC label is shown as：

6 FCC RF exposure requirements
To allow compliance with the FCC RF exposure requirements, the SIM300’s
maximum output power is 33dBm in GSM900 band and 30dBm in
DCS1800/PCS1900 band，and the maximum antenna gain is 3dBi and the minimum
cable loss is 0.5dB。The antenna(s) used for this transmitter must be installed to
provide a separation distance of at least 20 cm from all persons and must not be
co-located or operating in conjunction with any other antenna or transmitter。