1,support the standard AT command set, in line with the WAVECOM Q2403A/Q2406A/Q2406B module. 2,dual-band integrated GSM modem (EGSM900/1800MHz or EGSM900/1900MHz), applied to data, fax, short message and voice applications. 3,the design and development in line with the ETSI GSM Phase2+standard (general phone) 4,size: 95 × 54 × 25mm-+2 mm 5,input voltage:6V-32V