ITEM NAME:SIM800L GSM GPRS Module MicroSIM Card Core Board Quad-band Onboard Port TTL Description: Module Model: SIM800L 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 GPRS multi-slot class12 connectivity: max. 85.6kbps(down-load/up-load) GPRS mobile station class B Controlled by AT (3GPP TS 27.007, 27.005 and SIMCOM enhanced AT s) Supports Real Time Clock Supply voltage range 3.4V ~ 4.4V Supports A-GPS Supports 3.0V to 5.0V logic level Low power consumption, 1mA in sleep mode Compact size 23mm x 35mm x 5.6mm Package Includes: 1 x SIM800L GPRS GSM Module (No Antenna) 1 x Spring 2 x Pin headers.Module Model: SIM800L. 1 x SIM800L GPRS GSM Module (No Antenna). GPRS multi-slot class12 connectivity: max. 2 x Pin headers. Supports 3.0V to 5.0V logic level. People always bought together with. Low power consumption, 1mA in sleep mode.