Descrizione
4 ports GSM Fixed Wireless Terminal with 4 Fxs +4 SIM slot
- Place of Origin: Guangdong, Cina (Terraferma)
- Marchio: Etross or OEM
- Model Number: ETS-4S
- Tipo: GSM (3G)
- Port Number: 8
- Working Frequency: Quad band GSM 850/900/1800/1900MHZ, 3G WCDMA 850/900/1900/2100MHz.
- SLIC(Fxs): 4
- sim card: 4
- imei numbers NUMBER: changeable
- SMS manager: support
- lock network operator: support
- Number changing: support
1.Use advanced Silicon Lab SLIC (Fxs) 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. Speed dialing (just like fixed line telephone dialing, no need to dial “#” when you finish your dialing)
4. Number transformation function
5. PIN lock & Network Lock;
1, Descrizione generale
GSM FWT ETS-4S is a newly designed 4 ports GSM to POTS (Plain Old Telephone Service) line Converter, also known as Fixed Wireless Terminal. The device 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. Your calls are connected on the GSM network. This device receives and makes phone calls.
Model GSM FWT ETS-4S is 4 GSM modules + 4 FXS ports.
(Also We have CDMA FWT ETS-4S (800Mhz Ruim Support) and WCDMA FWT ETS-4S option).
2, Installation and Connections
- The GSM FWT ETS-4S has to be in an area with a good GSM network coverage. Poor signal may affect the quality of the voice.
- Insert the SIM card into the SIM card holder at the back of the GSM FWT ETS-4S.
- Connect the antenna. In order to ensure a good quality of voice, it is recommended to locate the antenna at least 1.5M from the telephone and from the GSM FWT ETS-4S itself.
- Plug the RJ–11 cable to the back of the GSM FWT ETS-4S marked as Fxs (1-4) and the other end to your telephone.
- Plug the Power Adapter to the wall power socket and its 12v plug to the Power (PWR) connector on the back of the GSM FWT ETS-4S.
- Your Telephone will ring twice when the GSM FWT ETS-4S has completed the boot process, it takes about 5 seconds.
- You can make and receive calls after you can hear the Dial Tone on the telephone and Network Signal indicator (GSM) is ON.

Back Side
| Fxs | 4 RJ11 POTS connector, FXS to connect 4 Telephones or PBX |
| 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 (rosso) | Device Powered On indicator |
| Fxs (orange) | On when the FXS is in use |
| GSM(verde) | On when the talking is going on |
4, Specifiche tecniche
GSM device:
Module employed: Quectel M35
Standard di interfaccia aerea: Quad band
GSM850/1900MHz,900/1,800Fase MHz 2+ banda completa
Intervalli di frequenza:
UN) GSM 850 GSM 1900:
IO) Trasmissione: 869.2 ~ 893.8MHz I) Trasmissione: 1, 930 ~ 1, 990MHz
Ii) Reception: 824.2 ~ 848.2MHz Ii) Reception: 1, 850 ~ 1, 910MHz
B) GSM 900: GSM 1800:
IO) Trasmissione: 890 ~ 915MHz I) Trasmissione: 1, 710 ~ 1, 785MHz
Ii) Reception: 935 ~ 960MHz Ii) Reception: 1, 805 ~ 1, 880MHz
CDMA device:
Module employed: Huawei Mc323-a 800Mhz
Standard di interfaccia aerea: CDMA 800Mhz
UMTS (WCDMA) device:
Module employed: Quectel UC15 series
| Frequency Bands | UC15-E 900/[e-mail protetta] 900/[e-mail protetta] UC15-A 850/[e-mail protetta] 850/900/1800/[e-mail protetta] UC15-T 850/[e-mail protetta] 850/900/1800/[e-mail protetta] |
Interfaccia telefonica: Fornire l'interfaccia telefonica RJ-11
Tensione sospesa: 45V
Frequenza del tono di composizione: 450Hz
Interfaccia dell'antenna: Amplificazione dell'antenna >2.5db
RF Sensibilità: <-104DBM
Trasmissione del potere: <3W
Temperatura di funzionamento: -10c-60C
Temperatura di conservazione: -20C-70C
Umidità operativa: 45% – 95%
Colore: Nero
Peso: 2kg (full package including accessories)
AC-Adapter: Ingresso: AC 110~240VAC 50~60Hz
Produzione: 12DC 2UN.
Tipo di adattatore Ac: Unione Europea, NOI, Au, Gli inglesi possono essere opzionali



