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S800SA
GPRS GSM TTL PCB ANTENNA SIM800L
- TTL serial port for serial port, you can link directly to the micro-controller.
- Don’t need MAX232.
- Power module automatically boots, homing network.
- Onboard signal lights all the way.
- It flashes slowly when there is a signal, it flashes quickly when there is no signal.
- Operating Voltage (VDC): 3.7 ~ 4.2
- Peak Current (A): 2
