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Product Description:
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
Package Included:
1 x SIM800L GPRS GSM Module Card Board + Antenna
Warranty Notice:
This product does not include manufacturer warranty when purchased or used outside of its designated sales region. By purchasing internationally, you acknowledge that warranty support from the manufacturer will not be available.