2pcs SIM800L GPRS GSM Module PCB Antenna SIM Board Quad band

【SIM800L】 Chip: SIM800L; Voltage: 3.7-4.2V 【COMPATABLITY】 China Mobile, China Unicom and global quad-band network 【Design compact】 TTL serial port for serial port, you can link directly to the microcontroller. No need MAX232 【High performance】 TTL serial port for serial port, you can link directly to the microcontroller. I do not 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 【Fast delivery】 Fast and high quality delivery of Spain buying in TECNOIOT