GSM/GPRS modem Product descriptions: Industrial design Aluminum casing Wireless access to internet Based on Wavecom module Q2403A Dual-band 900/1800MHz Comply with ETSI GSM Phase2+standard 3V SIM card slot DB15 RS232 interface including RJ11 for voice(handset) SIM application toolkit Double tone multi-frequency function (DTMF) Send and receive data, e-mail, SMS, voice Maximum transmitting speed 115.2KB/s Support AT command to make remote control(GSM07.07 and 07.05) GPRS Class 8 Antenna with high sensitivity Always on-line Output power Class 42W @ 900MHz Class 11W @ 1800MHz Input voltage: 6 to 36V DC Input current: 1 to 2A Standby current: 56mA Working current: 100 to 140mA Working temperature: -20 to +55 degrees Celsius Storage temperature: -25 to +70 degrees Celsius Size: 95 x 54 x 25mm Weight: 110g Accessories: AC/DC adapter, RS232 cable, antenna, 2 mounting plates, CD