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- SIM900A Dual Band GSM Module
- Voltage Supply Required- 9VDC to 12VDC with atleast 2A Peak Current Capability
- GSM- Speaker, Mic, TTL Rx and TTL Tx and DB9 Connector Based RS232 Outputs
- External Finger type antenna
- Switching Regulator Based Power Supply
- Coding schemes: CS-1, CS-2, CS-3, CS-4 Tx power: Class 4 (2W), Class 1 (1W)
- Small package: 23 * 23 * 3mm
- Power supply voltage: 3.4 - 4.4V
- Low power: down to 1mA in sleep mode
- TCP/IP AT firmware
- Operating temperature: -40C to +85C
- Audio channels which include a microphone input and a receiver output.
- One SIM card interface.
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