A+ QUALITY and cheaper factory price 8ports GSM /CDMA/wcdma gateways

详情

The design of the TLD SX*1G*8WAYS FWT is to supply a standard sound phone in the area of the GSM Cell Network covering. The interface board of the TLD SX*1G*8WAYS FWT supply a clear 8 channels bond between standard phone or a VOIP GATEWAY or A PBX and GSM Cell Network it possesses the function of the emulation phone exchanger and supply: Features: Dialing tone with **0hz DTMF Dialing Bell signal Polarity reversal IMEI CAN BE AUTO CHANGED HIDE send caller id. caller id. with dtmf/fsk The RJ**1 socket which connect the phone or the payment Antenna socket (SMA) IP usage switch Working state indicator Signal Strength indicator Technical Specifications GSM Module Dual band GSM **0mhz / **0mhz / ***0mhz / ***0MHz, ***0MHZ(option) Phone interface: supply RJ**1 Phone Interface Hanging voltage: *5V Picking off voltage: *0mA / *1mA Dialing tone Frequency: **0Hz Antenna interface: Antenna amplifying >1. 5db Sensitivity <***4DBM Transmitting power<3W Adapter interface: INPUT: AC **5~**0V OUTPUT: + *2V / ***0MA Operation Circumstance: Operation temperature: **0c ~ *0C Storage temperature: **0C ~ *0C Operation humidity: *5% **5% Atmosphere pressure: *****6Kpa Environment noise: < *0DB Transmitting Power: 2W Sensitivity: <***4dbm Antenna Amplifying: >1. 5db Dialing frequency: **0Hz Hanging voltage: *5V Picking carrent: *0mA / *1mA Welcome contact me at msn ***** details *****