8 Ports 32 SIM Cards GSM Gateway with Quad Bands

8 Ports 32 SIMS Cards GSM Gateway with Quad Bands: It have 8 channels with 32 cards.the cards can been auto switched. The IMEI can been change to any number you want. Dialing tone with 450hz DTMF Dialing Bell signal Polarity reversal The RJ-11 socket which connect the phone or the payment Antenna socket (FME) IP usage switch Working state indicator Signal Strength indicator Technical Specifications GSM Module Dual band GSM 850mhz/900mhz/1800mhz/1900MHz Phone interfacesupply RJ-11 Phone Interface Hanging voltage:45V Picking off voltage30mA/41mA Dialing tone Frequency450Hz Antenna interface Antenna amplifying 1.5DB Sensitivity -104DBM Transmitting power≤3W Adapter interfaceINPUTAC 175 260V OUTPUT+12V/1000MA Operation Circumstance: Operation temperature-10 60 Storage temperature-20 70 Operation humidity45% 95% Atmosphere pressure86 106Kpa Environment noise 60DB Transmitting Power: 2W Sensitivity: <-104dbmThis 8 ports 32 sims GSM gateway can connect to Asterisk by RJ-11 port, but it is not sip based gsm gateway, and it doesn't have RJ-45 port. It is Compatible to Asterisk(Asterisk is open source IP-PBX, through analog lines, needing a special PCI card so you can connect the gateway, connecting the gateway using RJ-11, converting your PC into a PABX system, using the PCI card, then the whole system(asterisk+gsm gateway) becomes a media gateway This device is also called 8 ports 32 sims gsm gateway, 8 ports 32 sims gsm fwt, 32 sims 8 ports gsm gateway, 32 sims 8 ports gsm fwt, IMEI changer, Multi port gsm gateway.If you want to look for a high quality mode of muti ports GSM gateway;If you want to look for a IMEI changer;If you want to look for a reliable partner;Please do not hesitate to contact us !