Hong Kong GSM Fwt Wll

Specifications: Gsm900/1800 (dual-band ) Gsm850/1800/1900 (tri-band ) GSM module: Siemems inside Supported SIM card:3v only Weight:270g (520g c/w ant, power unit) Dimension:170 x 113 x 38 mm (l*w*h) Input power:100v-240v/50hz-60hz Operation voltage: Dc12v/1a (10v - 24v) Telephone interface: Rj-11 (fsx/dtmf) * call waiting/conference * call forward/call barring * caller ID (fsk bell-202) * reverse polarity * signal strength indicator * connection to pbx, VOIP, cordless phone * rs232, at command, hayes * SMS, text, pdu, data, csd, ussd * fax(pc): Group 3, class 1/class 2