Looking for a way to gain mobile communication connectivity on your Arduino and Raspberry Devices? Look no more, the A7 GPRS/GSM/GPS Module is based on the AI Thinker A7 chip. It supports the GSM/GPRS Quad-Band or the 850/900/1800/1900 frequencies, perfect for voice calls, SMS messages, GPRS data service, and GPS functions. You can control it using AT commands send via UART with 3.3-4.2V logical levels. 

Specifications:

• Operating temperature -30 ℃ to + 80 ℃;
• 1KG peak suction
• Low standby current
• Operating Voltage 3.3V-4.2V;
• Power voltage> 3.4V;
• Standby average current 3ma less;
• Support the GSM / GPRS four bands, including 850,900,1800,1900MHZ;
• Support China Mobile and China Unicom's 2G GSM network worldwide;
• GPRS Class 10;
• Sensitivity <-105;
• Support voice calls;
• Support SMS text messaging;
• Support GPRS data traffic, the maximum data rate, download 85.6Kbps, upload 42.8Kbps;
• Supports standard GSM07.07,07.05 AT commands and extended commands Ai-Thinker;
• Supports two serial ports, a serial port to download an AT command port;
• AT command supports the standard AT and TCP / IP command interface;
• Support digital audio and analog audio support for HR, FR, EFR, AMR speech coding;
• Support ROHS, FCC, CE, CTA certification;
• SMT 42PIN
• Dimensions(mm):76.0(L)x55.0(W)x23.5(H)

Inclusions:  1 x  A7 GPRS GSM GPS Board for Arduino and Raspberry Pi

Documents:

• Datasheet
• Manual