1.General Description GSM FWT-8848 is a GSM to Analog Converter(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 application is: Connecting the RJ-11 FXS line to connect Ordinary telephone set for voice call; to connect PBX for call extensions; to connect billing systems for public phone use; to connect VoIP FXO gateway to realize VoIP call termination; to connect alarm system for security purpose, etc. It is not a VOIP gateway, nor a GSM+VOIP gateway, It is a GSM Fixed Wireless Terminal that produces an analog FXS phone line .
Available: Employ Quectel M35 Module/Zhiwu 680F module Frequency:Quad band GSM 850/900/1800/1900Mhz
2.Features: 1) It is a 1 channel GSM FWT which has 2 RJ-11 outputs for extensions; 2) It can connect with ordinary telephone set, Alarm system,PBX ,Billing meter, VOIP Gateway etc. ; 3) Dialing tone frequency:450hz; 4) Employ Industrial module to make; 5) Can adjust dial interval from 0.5sec to 9 secs by setting up from telephone set; 6) Can adjust voice volume by setting up from telephone set; 7) SIM card supported (1.8V, 3V); 16) IMEI Change (optional). 17) PIN Lock&Network Lock(optional) 18) Back up Li-ion battery( Optional) 7.4V 900mAh.standby 24hrs,talking time: 2.5hrs.
3.Technical Specifications: Air interface standard: GSM850/1900Mhz,900/1,800Mhz phase 2+ full band Color: White /Black (optional) AC-Adapter type: EU,US,AU,British can be optional
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