Description:

GSM A6 modules:
Size: 22.8×16.8×16.8 mm
Working temperature: -30 °c to + 80 °c
Working voltage: 3.3 V to 4.2 V
Start voltage: > 3.4 V
Standby average current: Under 3mA
Support the GSM/GPRS four frequencies, including 850, 900, 1800, 1900MHZ
Sensitivity: < – 105
Support voice calls
Support SMS messages
Support GPRS data service, maximum data rate, download 85.6Kbps, upload 42.8 Kbps
Support standard GSM07.07, 07.05 the AT command and the expansion of Ai Thinker command
Support two serial port, a download serial port, an AT command port
Command support standard AT and TCP/IP command interface
Support digital and analog audio, support HR, FR, EFR, AMR speech coding;
Support the ROHS, FCC, CE, CTA certification;
42 pin SMT packaging