مشخصات:
ماژول GPRS / GSM / GPS چهار باند A7 دارای ارتباط سریال – پشتیبانی از AT Command
Operating temperature -30 deg.] C to + 80 deg.] C;
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 ;
the 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 Ai Thinker extended command;
Support 2 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 the HR , FR , EFR , the AMR speech coding;
support ROHS , the FCC , the CE , the CTA certification;
the SMT 42PIN package;