Tri Band GSM/GPRS 900/1800/1900MHz Compliant to GSM phase 2/2+ GPRS Class 10 Output power: Class4 2W for EGSM900                 Class2 1W for GSM1800/GSM1900 Control via AT commands TCP/IP stack SIM application tool kit Supply voltage range: 3.3-4.8VDC Temperature range: -20 to +55 (operational functionality)                      -40 to +85 (storage temperature)        Dimension: 35x 32.5x 3.1 mm Weight: 5.5g Voice: FR/EFR/HR/AMR, noise suppression and echo cancellation              PCM audio, Emergency calls SMS: Text and PDU mode, Point to point (MO/MT), Cell broadcast  DATA: non transparent, CSD up to 14.4kbps, USSD,  Interfaces: 2xUARTs, RF connector, 50 pin system connector,              SIM card interface, Keypad and LCD, etc.

Accessories GSM/GPRS antenna 50 pin system connector SIM card holder U.FL to SMA RF cable

MC55 GSM GPRS Module