Стационарный беспроводный терминал

Fix wireless terminal Features: 1) GSM900MHz/1,800MHz (850MHz/1,900MHz/1,800MHz modules optional) 2) G3 fax 3) Roaming lock 4) Caller ID display 5) Dial plan/prefix setting 6) 1 phone port and 1 fax port; auto-distinguish phone/fax 7) Dynamic echo cancellation 8) Provides reverse polarity signal Specifications: 1) Networks support: GSM900MHz/1,800MHz (850MHz/1,900MHz/1,800MHz modules optional) 2) Operating temperature humidity: 0 - 55% 3) Voltage: AC 9V 4) Backup battery 6) Adapter voltage: AC 50Hz+1%, 220V+10% 7) Stand-by time: 48 hours 8) Talk time: 2-6 hours 9) Charging time: 6 hours