Features:
TTL serial port, directly connect to the microcontroller.
Charge the module, it will automatically boot and search for network.
Onboard signal indicator will always be flashing. It flashes slowly when there is a signal; it flashes quickly when there is no signal.
Specifications:
- Chip: SIM800L
- Voltage: DC 3.7-4.2V(1A current peak)
- Support networks: Quad-band network
- Module size: 2.5 x 2.3cm
Package included
1 module without instruction or data sheet
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