Good performance FXS FXO 3G gsm gateway 4 ports

GSM gateway 4S is a newly designed 4 ports GSM to POTS (Plain Old Telephone Service) line Converter, also known as Fixed Wireless Terminal. It has 4 line connections that allow 4 regular analog telephones to be connected to 4 Cellular GSM service just like connecting to 4 local PSTN (Public Switched Telephone Network) land-lines. User’s calls are connected to the GSM network. It can receive and make phone calls. It has 4 sim card slots, 4FXS for analog phone. 4FXO ports for PSTN landline phone or IP PBX.

Models:
GSM gateway ETS-4S: 4 GSM modules + 4 FXS ports.
GSM gateway ETS-4SO: 4 GSM modules + 4 FXS ports + 4 FXO ports .
CDMA gateway ETS-4S : 800Mhz RUIM Support
3G WCDMA gateway ETS-4S :4 WCDMA modules + 4 FXS ports.

 

Back Side

FXS	4 RJ11 POTS connector, FXS to connect 4 Telephones or PBX
FXO	4 RJ11 to connect to PSTN line (Only Available to Model GSM FWT ETS-4S/O.
Power input	12v from your Power Adapter
Antenna connection	4 SMA Connector for the GSM antenna
LEDs	LED indicators for status (see LED display explanation)
SIM card slot	4 SIM card slots

LED Display

Power (red)	Device Powered On indicator
FXO (green)	On when the FXO is in use
FXS (orange)	On when the FXS is in use
GSM(green)	On when the talking is going on

Type: GSM (GSM FWT ETS-4S); GSM + PSTN (GSM FWT ETS-4SO)
Port Number: ETS-4S: 4 ; ETS-4S/O: 8
SLIC (FXS): 4
DAA (FXO): 4
SIM Card slot: 4
IMEI changeable: support
LCR(Low cost routing): support
SMS management: support
lock network operator: support
Number transfer: support
1.  Use advanced Silicon Lab SLIC (FXS) and DAA (FXO) solution, the compatibility and the voice quality are in the high-level standard;
2. Can use command(by telephone set which connected to ETS-4S) or SMS(by mobile phone) to do function setting, flexible and convenient;
3. Can realize the LCR route between GSM and PSTN by presetting the dial rule;
4. Speed dialing (just like fixed line telephone dialing, no need to dial “#” when you finish your dialing)
5.  Number transformation function
6.  PIN lock & Network Lock;
7.  The FXO interface has escape function