FWT GSM GF181NK - 1 PORT[Jan. 5, 2010 20:47:12]
Technical Specification : 1. Air Interface Standard : GSM 900/ 1800 MHz Phase 2+ 2. Frequency Range : GSM 900 : Transmission : 890 ~ 915 MHz Reception : 935 ~ 960 MHz GSM 1800 : Transmission : 1710 ~ 1785 MHz Reception : 1805 ~ 1880 MHz 3.Chan