User's Manual

UserManual–GSMController
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1. IdentificationoftheParts
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1. Green LED to indicate GSM call ready
2. Red LED to indicate GSM call not ready
3. Microphone for voice input on call function
4. “Phone call” button for phone call
5. Battery: Lithium Ion, 3.7V, 850mAH
6. GSM Module with SIM900, MCU and SIM card
7. Antenna GSM matched PCB with U.FL connector cable
8. on/off Slide tongue switch for power on and off
9. Speaker for GSM phone call
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2. Introduction
ThisGSMControllerisastan
dard 850/900/1800/1900MHz Quad band GSM modem US
market. It’s convenient and speedily to contact the service center by the “Phone call”
button.
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3. Howtocall
3.1 Press the “Phone call” button, it begin to establish network
3.2 When green LED is on then GSM function is ready and network is established
3.3 Waiting the service center answer the phone, you can communicate with them
3.4 Press the “Phone call” button again the call is hung up
1.GreenLED
2.RedLED
4. “Phone call” button
7.
A
ntenna
6. GSM Module
9. Speaker
3.Micro
p
hone
5. Battery
8. on/ off Slide tongue switch