Espeedy Small SIM800L GPRS GSM Module Card Board Quad-band Onboard +Antenna

Description

Feature:Support networks: China Mobile, China Unicom and global quad-band networkTTL serial port for serial port, you can link directly to the microcontroller.No need MAX232Power module automatically boot, homing networkOnboard signal lights all the way . It flashes slowly when there is a signal, it flashes quickly when there is no signalModule size: 2.5cmx2.3cmChip: SIM800LVoltage: 3.7-4.2VIncluded:1 x Module Card Board set with Antenna