8 Ports GSM FWT (IMEI changeable)

Etross-8888 GSM FWT Diagram animated case: 1. working with common telephones: 2.working with PBX 3. working with VOIP gateway, comptiable to Aterisk, quintun Technical Specifications 1)Frequency: 850/900/1800/1900Mhz 2)Phone interface: supply RJ-11 Phone Interface 3)Picking off voltage: 30mA / 41mA 4)Antenna interface: Antenna amplifying>1.5db 5)Transmitting power<3W 6)Adapter interface:INPUT:AC 175 260V 7)OUTPUT:+12V/1000MA benifits for customers: 1)Imei changeable(optional) 2)back-up battery(optional) 3)support DTMF 2'nd dialing out 4)Can provide reversal polarity signal for metering 5)show caller ID 6)Lock PIN/network(optional) 7)FSK(Optional)