8828 GSM FWT Gateway

Etross 8828 GSM Fixed Wireless Terminal gateway  Product DescriptionGSM FWT-8828 is a GSM to analog converter with LCD display(single port, insert 1 sim card only), the device can produce a FXS line to allow a regular phone to be connected and used just like a local landline(PSTN) except your calls will  go out the GSM network. This device can both receive and make calls.  The main applications are as below: Connect RJ-11 FXS line to ordinary telephone set for voice call; Connect PBX for call extensions; Connect billing systems for public phone use; Connect VoIP FXO gateway to realize VoIP call termination; Connect alarm system for security purpose, etc.   Product Parameters1) It is a 1 channel GSM Gateway which has 2 RJ-11 outputs for extensions;2) It can connect with ordinary telephone set, PBX , VOIP Gateway, Billing meter etc. ; 3) Dialing tone frequency:450hz; 4) Employ Industrial module to make; 5) Can adjust dial interval from 0.5 sec to 9 secs by setting up from telephone set;                                          6) Can adjust voice volume by command from telephone set;                               7) SIM card supported (1.8V, 3V); 8) Caller ID display; 9) DTMF Dialing; 10) Bell signal; 11) Polarity reversal/12Khz/16Khz pulse billing 12) The RJ-11 socket which connect the phone or billing system for metering purpose; 13) Antenna socket (SMA);  14) IP Presetting; 15) Working status and Signal Strength by LCD display;                                               16) IMEI Change (optional). 17) back up Li-ion battery( Optional) 7.2V 1000mAh.standby 24 hours,talking time: 2.5hours.   3.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: supply RJ-11 Phone Interface Hanging voltage: 45V Picking off voltage: 30mA / 41mA Dialing tone Frequency: 450Hz Antenna interface: Antenna amplifying>2.5db Sensitivity: