New Small SIM800L GPRS GSM Module Card Board Quad-band Onboard +Antenna,Default

Feature:

Chip: SIM800L

Voltage: 3.7-4.2V

Support networks: China Mobile, China Unicom and global quad-band network

Module size: 2.5cmx2.3cm

TTL serial port for serial port, you can link directly to the microcontroller. No need MAX232

Power module automatically boot, homing network

Onboard signal lights all the way . It flashes slowly when there is a signal, it flashes quickly when there is no signal

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