arduino SIM800L GPRS GSM Micro Sim Card Board Module Educational Electronic Hobby Kit

SIM800L GPRS GSM Micro Sim Card Board Module With Antena Features: Chip : SIM800L Voltage : 3.7V To 4.4V Supports Network : China Mobile, China Unicom and global quad-band network Quad-band 850/900/1800/1900MHz Used in GSM based projects, GPS based projects, Robotics projects, or 8051/AVR/ARM/PIC/Arduino/Raspberry-pi based projects Module size: 25 X 23 mm 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 SIM800L GPRS GSM Module with Antenna Cable GPRS mobile station class B Controlled by AT Command (3GPP TS 27.007, 27.005 and SIMCOM enhanced AT Commands) Supports Real Time Clock Supports 3.0V to 5.0V logic level Low power consumption, 1mA in sleep mode