GSM GATEWAY with analog fxs port

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US $1-35 / Piece | 1 Piece/Pieces (Min. Order)
Supply Ability:
300000 Piece/Pieces per Week
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Quick Details
Place of Origin:
Guangdong, China (Mainland)
Brand Name:
Model Number:
Port Number:
Working Frequency:
GSM 850/1900MHZ,900/1800MHZ
DTMF caller ID display:
sim card:
reversal polarity:
2 rj-11
imei number:
back up battery:
DTMF 2nd dialing:
gsm tellular Celular
Packaging & Delivery
Packaging Details
g.w 0.6kg/pcs, 20pcs/carton
Delivery Time
Shipped in 2 days after payment

GSM GATEWAY with analog FXS Port 


11 years manufacturer



1) Can connect to regular telephone set 

2) Can connect to pabx/pbx for incoming calls  extension

3) Can connect to home alarm system secuiryt 

4) Can connect to payphone or phone billing meter 

5) Can connect to fxo port voip gateway 

6) Can connect to lift/elevator to dial same phone number


General Description:
Etross-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 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.



 Can connect to telephone set  





Can connect o PBX For call extention








Can connect to home alarm system for security




Can connect to phone billing meter







Technical Specifications:


Air interface standard: GSM850/1900Mhz,900/1,800Mhz phase 2+ full band 
Frequency ranges:
 A) GSM 850                                   GSM 1900:
 I) Transmission: 869.2 ~ 893.8MHz      I) Transmission: 1, 930 ~ 1, 990MHz
 Ii) Reception: 824.2 ~ 848.2MHz         Ii) Reception: 1, 850 ~ 1, 910MHz 
 B) GSM 900:                                  GSM 1800: 
 I) Transmission: 890 ~ 915MHz           I) Transmission: 1, 710 ~ 1, 785MHz              
 Ii) Reception: 935 ~ 960MHz              Ii) Reception: 1, 805 ~ 1, 880MHz 
Phone interface: supply RJ-11 Phone Interface
Hanging voltage: 45V
Picking off voltage: 30mA / 41mA
Dialing tone Frequency: 450Hz
Antenna interface: Antenna amplifying>2.5db
Transmitting power<3W


Color: White /Black (optional)
AC-Adapter interface: Input: AC 110~240VAC  50~60Hz
                   Output: 12DC 1A.


AC-Adapter type: EU,US,AU,British can be optional


Pack List:


GSM FWT-8848:1pcs


Power Adapter:1pcs


Antenna:1pcs(short antenna or 3m antenna)


User Guider:1pcs