This GPRS GSM module based on the SIMCom SIM800L, which it a GSM GRPS Quad-Band module. You can add voice, text, SMS and data to your project with this module. Sim800L is an ideal solution for M2M applications, suitable for automotive, industrial and PDA, personal tracking, electricity environment detection, wireless POS, smart metering, and other M2M applications, to provide comprehensive GSM / GPRS text messaging, voice and data transmission services.
Support networks: China Mobile, China Unicom and global quad-band network
TTL serial port for serial port, you can link directly to the microcontroller
Module size: 2.5cmx2.3cm