Description
Product Specs:
- Power Supply = 4V DC 2A.
- On Board Power and Network Indication LED.
- Micro Sim Card Holder.
- SMA Antenna (Optional)
- Works with standard AT Commands.
Interfacing Pins:
1) MIC (MICP, MICN) = Differential Signal Pins.
2) Speaker (SPKP. SPKN) = Differential Signal Pins.
3) BT_A = Bluetooth Antenna External pin (Works only if the firmware in updated)
4) ADC = Analog to Digital Input pin
5) STAT = Status Signal Pin
6) RI = Ring indicator
7) UART Pins: DTR, DCD, CTS, RTS, RXD, TXD.
8) Make sure to use TTL Level Converter for RX and TX of the microcontroller interface.
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