GPRS A6 GA6 Wireless Extension Module GSM GPRS Board for Arduino Better than SIM900A

Parameters:

• Size 22.8mm x 16.8mm x 2.2 mm;

• Normal operating temperature: -30 ° C to + 80 ° C,

• Limited Operating temperature: -40 ° C to -30 ° C and + 80 ° C to + 85 ° C *

• Working voltage 3.5V-4.2V;

• Starting voltage> 3.5V;

• The flow rate in SLEEP mode is 0.9mA;

• Quad-band: GSM850, EGSM 900 and DCS 1800, PCS1900 can automatically search for four bands. L GSM phase 2 / 2+ l GPRS Class 10;

• Sensitivity <-107;

• Support voice calls;

• Support SMS text messages;

• Support mobile and Unicom 2G, and the global GSM network

• GPRS data characteristics, the maximum data rate, download 85.6Kbps, upload 42.8Kbps;

• Supports serial port multiplexing with GSM 07.10 protocol

• Support two serial ports, a download serial port, an AT command port;

• AT commands support standard AT and TCP / IP command interfaces;

• Support for digital audio and analog audio, support HR, FR, EFR, AMR voice coding.