... industrial chassis, elegant shell GSM frequency: 850/900/1800/1900MHZ 64 x SIM card(big/small) ... 2 + standards Class 4 ( 2W @ 900 MHz) Class 5 ( 1W @ 1800 MHz) 5 -24 VDC power supply (which can ... model list for your reference. Wavecom Q2406 dual band 900/1800MHz, support SMS, MMS, FAX, WEB, TCP ... - USB interface - Dual Band: 900/1800MHz Quad Band EGPRS 850/900/1800/1900 MHz - Send MMS - GPRS class 10 ...