AI-Thinker A7 GSM GPRS GPS 3in1 Shield

A7 GSM GPS GPRS Module  is controlled by AT command via UART and supports 3.3V and 4.2V logical level.

More details :

• Operating temperature -30 ? to + 80 ?;
• 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