Etross FWT series:
1 port GSM FWT Etross 8818, 8828, 8848
2 ports GSM FWT Etross 360
4 ports GSM FWT Etross 4S
8 ports GSM FWT Etross 8888
PSTN and G3 fax function optional, and CDMA, 3G WCDMA and 4G LTE frequency optional.
GSM FWT-360 is a GSM to Analog Converter (dual ports, insert 2 sim cards), 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 extentions,
to connect billing systems for public phone use,
to connect VoIP 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 a Analog FXS phone line.
Features
1) It is a 2 channels analog 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: 350, 440, 450hz; 4) Employ Industrial module Siemens MC388(900/1800MHz) to make; 5) Can adjust dial interval from 0.5sec to 9 secs by setting up from telephone set; 6)gsm fwt/gateway8) Caller ID display; 7) DTMF/FSK Dialing; 8) Bell signal; 9) Polarity reversal; 10) The RJ-11 socket which connect the phone or billing system for metering purpose; 11) Antenna socket (SMA); 12) IP Presetting; 13) Working status and Signal Strength by LED indicator; 14) back up Li-ion battery( Optional) 7.2V 1300mAh.standby 24hrs,talking time: 2.5hrs.