Guangdong, China
Business Type:
Trading Company
Number of Employees:
Year of Establishment:
Plant Area:
500.0 square meters
OEM/ODM Service
Sample Available
MEI Awards

GSM Gateway, Wireless GSM Gateway, GSM Wireless Gateway manufacturer / supplier in China, offering SIM Card Gateway for Lift Elevator Sercurity Alram System, 16 Port 128 SIM GSM Modem Pool for Sending/Receiving Bulk SMS, Automatically SIM Rotation GSM 16 Port SMS Modem Pool and so on.

Gold Member Since 2008
Audited Supplier
Supplier Homepage Products Fixed Wireless Terminal 2G-GSM SIM Card Gateway for Lift Elevator Sercurity Alram System

SIM Card Gateway for Lift Elevator Sercurity Alram System

Min. Order / Reference FOB Price
1 Piece US $28-35/ Piece
Port: Shenzhen, China
Production Capacity: 120000 Pieces/Year
Payment Terms: L/C, T/T, Western Union, Paypal
Usage: Telephone, PBX/Alaram/Lift System
Type: Wireless
Support Network: GSM
Information content: Voice
Certification: CE, ISO, RoHS
Condition: New

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Basic Info.

Model NO.
GSM 8848
Frequency Bands
GSM Quad Bands(850/1900/900/1800MHz)
SIM Slot
IMEI Changeable
Black or White
Caller ID
Pin Lock&Network Lock
Polarity Reversal
3m Magnetic Antenna
Back up Battery or Without
Transport Package
Carton Pachage
HS Code

ETROSS GSM Fixed wireless terminal FWT-8848 (1 SIM slot,Rj11 FXS ports*2)  

SIM Card Gateway for Lift Elevator Sercurity Alram System


Connect devices : PSTN/FXO(optional), FAX(optional)PBX,Telephone,Billing machine,FXD gateway,Alarm security system etc.

Frequencies series: 2G GSM quad bands, CDMA 800mhz/450mhz, 3G WCDMA quad bands, 4G VOLTE customized bands.Welcome to inquiry.

1.  Application

1) The Installation for Connecting to Ordinary Telephone

2) The installation for connecting to billing device for metering

3) The installation for connecting to alarm system for Security

4) The installation for connecting to PBX for call extentions

5) The installation for connecting VoIP gateway for Call Termination


2. General Description

GSM FWT-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.


1) It is a 1 channel GSM FWT which has 2 RJ-11 outputs for extensions;
2) It can connect with ordinary telephone set, Alarm system,PBX ,Billing meter, VOIP Gateway etc. ;
3) Dialing tone frequency:450hz;
4) Employ Industrial module to make;
5) Can adjust dial interval from 0.5sec to 9 secs by setting up from telephone set;                                         
6) Can adjust voice volume by setting up from telephone set;                              
7) SIM card supported (1.8V, 3V);
8) Caller ID display;
9) DTMF Dialing;
10) Bell signal;
11) Polarity reversal;
12) The RJ-11 socket which connect the phone or billing system for metering purpose;
13) Antenna socket (SMA); 
14) IP Presetting;
15) Working status and Signal Strength by LED indicator;                                                 

16) IMEI Change (optional).
17) PIN Lock&Network Lock(optional)
18) Back up Li-ion battery( Optional) 7.4V 900mAh.standby 24hrs,talking time: 2.5hrs.


4.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

5.Packing List

GSM FWT 88481pcs

Dual band or Quadband

AC Adapter1pcs

AC-110-240V, DC12V/1A


Magnetic Antenna with 3m cable

User Manual1pcs



6. Certificates

We exported huge quantity of model FWT-8848 to overseas in the past 15 years,

With Complete qualifications and strong strengh. CE/ROHS/FCC available,

SIM Card Gateway for Lift Elevator Sercurity Alram System

7. Product Shows
SIM Card Gateway for Lift Elevator Sercurity Alram System
SIM Card Gateway for Lift Elevator Sercurity Alram System
SIM Card Gateway for Lift Elevator Sercurity Alram System




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