La description
4 ports GSM Fixed Wireless Terminal with 4 FXS +4 SIM slot
- Place of Origin: Guangdong, Chine (Continent)
- Nom de marque: Etross or OEM
- Numéro de modèle: ETS-4S
- Taper: 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, Description générale
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 avec a good GSM network coverage. Poor signal may affect the quality of le voice.
- Insert le 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 |
| Entrée de puissance | 12v from your Power Adapter |
| Antenna connection | 4 SMA Connector for the GSM antenna |
| LED | LED indicators for status (see LED display explanation) |
| SIM card slot | 4 SIM card slots |
LED Display
| Pouvoir (rouge) | Device Powered On indicator |
| FXS (orange) | On when the FXS is in use |
| GSM(green) | On when the talking is going on |
4, Spécifications techniques
GSM device:
Module employed: Quectel M35
Norme d'interface aérienne: Quad band
GSM850 / 1900MHz,900/1,800Phase MHz 2+ groupe complet
Gammes de fréquences:
UN) GSM 850 GSM 1900:
je) Transmission: 869.2 ~ 893.8MHz I) Transmission: 1, 930 ~ 1, 990MHz
Ii) Réception: 824.2 ~ 848.2MHz Ii) Réception: 1, 850 ~ 1, 910MHz
B) GSM 900: GSM 1800:
je) Transmission: 890 ~ 915MHz I) Transmission: 1, 710 ~ 1, 785MHz
Ii) Réception: 935 ~ 960MHz Ii) Réception: 1, 805 ~ 1, 880MHz
CDMA device:
Module employed: Huawei Mc323-a 800Mhz
Norme d'interface aérienne: CDMA 800Mhz
UMTS (WCDMA) device:
Module employed: Quectel UC15 series
| Frequency Bands | UC15-E 900/[Protégé par e-mail] 900/[Protégé par e-mail] UC15-A 850/[Protégé par e-mail] 850/900/1800/[Protégé par e-mail] UC15-T 850/[Protégé par e-mail] 850/900/1800/[Protégé par e-mail] |
Interface téléphonique: Interface téléphonique RJ-11 RJ-11
Tension suspendue: 45V
Fréquence de tons de numérotation: 450Hz
Interface d'antenne: Amplification de l'antenne >2.5db
RF Sensibilité: <-104Dbm
Puissance de transmission: <3W
Température de fonctionnement: -10c-60C
Température de stockage: -20C-70C
Humidité de l'opération: 45% – 95%
Couleur: Noir
Masse: 2kg (full package including accessories)
AC-Adapter: Saisir: AC 110~240VAC 50~60Hz
Sortir: 12CC 2UN.
Type d'adaptation AC: UE, NOUS, Au, Les Britanniques peuvent être facultatifs



