32 SIMs IMEI Changeable Automatic GSM SIM Box/GSM

Brand: ETROSS or OEM brand Model No.: ETROSS-8888G Product name: 8 ports/channels GSM FWT Fixed Wireless Terminal/GSM FCT Fixed Cellular Terminal/GSM Gateway/GSM WLL/GSM Channel Bank/GSM SIM Box Frequency: GSM 850/1900MHz,900/1800MHz Features: 1.DTMF Dialing 2.IP Presetting 3.Has 8 FXS ports 4.IMEI Changeable 5.Displays caller ID 6.Can hide subscriber ID 7.Bell signal,clear voice 8.Comptiable with Asterisk 9.Provides reversal polarity for metering 10.Working status and Signal Strength by LED indicator 11.32 SIM cards can rotate by using time or calling-out times 12.Compatible to any telephones, PBX,VOIP gateways, call-back system Technical Specifications Air interface standard: GSM850/1900MHz,900/1,800MHz phase 2+ full band Frequency ranges: A) GSM 850 GSM 1900: I) Transmission: 869.2 893.8MHz I) Transmission: 1, 930 1, 990MHz Ii) Reception: 824.2 848.2MHz Ii) Reception: 1, 850 1, 910MHz B) GSM 900: GSM 1800: I) Transmission: 890 915MHz I) Transmission: 1, 710 1, 785MHz Ii) Reception: 935 960MHz Ii) Reception: 1, 805 1, 880MHz Phone interface:8 RJ-11 Phone Interfaces Picking off voltage: 30mA / 41mA Antenna interface: SMA antenna connection Transmitting power<3W Adapter interface: INPUT:AC 175 260V OUTPUT:+12V/1000MA The sketch for connecting to Telephones,PBX device and VOIP Gateways: Operation Circumstance: Operation temperature: -10c 60C Storage temperature:-20C 70C Operation humidity:45%-95% Atmosphere pressure:86-106Kpa Environment noise: <60DB Sensitivity: <-104dbm Antenna Amplifying: >1.5db Dialing frequency: 450Hz Hanging voltage: 45V Picking current: 30mA/41mA Package(Standard carton,1pcs/carton): G.W:4.5kg User’s Manual:1pcs Power Supply Cable:1pcs GSM Antenna with 3m cable:8pcs Product dimension:L455x W280 x H45mm Gift box dimension:L510x W300x H64mm