توضیحات
ماژول GMS/GPRS + GPS MODULE A7:
A7 module is a GSM/GPRS/GPS function module. It supports GSM/GPRS Quad-Band（850/900/1800/1900） network. Also, it supports voice calls, SMS messages, GPRS data service and GPS function. We can use it make a simple phone. The module is controlled by AT command via UART and supports 3.3V and 4.2V logical level.
Features:
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
Support voice calls
Support SMS text messaging
Support GPRS data traffic, the maximum data rate, download 85.6Kbps, upload 42.8Kbps
Supports standard GSM 07.07,07.05 AT commands and extended commands Ai-Thinker
Support GPS and AGPS
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
Specifications:
Operating temperature -30 ℃ to + 80 ℃
Operating Voltage 3.3V-4.2V
Power voltage> 3.4V
Sensitivity <-105
Standby average current 3ma less
1KG peak suction
A7:
A7 size 22.8×19.8×2.5mm;
Operating temperature -30 °C +80 °C;
Working voltage 3.3V-4.2V;
Boot voltage>3.4V;
Standby average current 3ma below, A7 increase 2m;
Support GSM/GPRS four frequency bands, including 850, 900, 1800, 1900MHZ;
GPRS Class 10;
Sensitivity <-105;
Support voice calls;
Support SMS SMS;
GPIO level is 2.8V;
Support GPRS data service, maximum data rate, download 85.6Kbps, upload 42.8Kbps;
Support standard GSM07.07, 07.05 AT commands and Ai-Thinker extension commands;
Support two serial ports, one download serial port, one AT command port;
AT commands support standard AT and TCP/IP command ports;
Support digital audio and analog audio, support HR, FR, EFR, AMR speech coding;
Support GPS+AGPS (A7 only);
GPS position information supports single serial NEMA output and reading through AT port (only applicable to A7);
Support ROHS, FCC, CE, CTA certification;
SMT 42PIN package
GSM/GPRS + GPS module A7
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