Manufacturer 1/4 PORTS Fixed wireless Terminal FWT For GSM With 2 RJ 11 interface ( etross-8848)

Network: 2G GSM 900-1800MHZ 850/900/1800/1900MHZ ) 

               3G WCDMA UMTS 900/2100MHZ, 850/1900MHZ, 850/2100MHZ 

Product Description:

GSM FWT8848 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 RJ11 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. 

Features:

1) It is a 1 channel GSM Gateway which has 2 RJ11 outputs for extensions;

2) It can connect with ordinary telephone set, PBX , VOIP Gateway, Billing meter 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(DTMF/FSK Optional);
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) back up Li-ion battery( Optional) 7.2V 1300mAh.standby 24hrs,talking time: 2.5hrs.

Main function: 

1) Can connec to regular telephone set, pabx, phone billing meter, and asterisk cpi card for voip call terminal, alarm 

2) Fast shipment with high quality control, and offer 1 years warranty

3) With CE/FCC/ROSH all certifcate easy to export for customs clearance

4) Free OME/ODM service provide with own brand name 

5) 24 hours standby technical service with free charge 

6) IMEI Changer, hiden caller id, phone number changer, baby call function, lock sim or network lock 

Specification parameters:

1) Air interface standard: GSM850/1900Mhz,900/1,800Mhz phase 2+ full band 
2) 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 
3) Channel space: 200kHz 
4) User line, bell signal: In line with GB/T15279 
5) Max power: 0.25W / 0.5W 
6) Consumption: 
A) Immobility: Less than 25mAh 
B) Transmission: Less than 400mAh 
7) Sensitivity: -105dB 
8) Dial tone frequency: 450MHz (standard) 
9) Surrounding temperature: -10°C ~ +40°C 
10) Relative humidity: 45% ~ 90% (without frost) 
11) Atmosphere pressure: 86 ~ 106KPa 
12) Environment noise: <60dB 
13) Antenna amplifying: 3.5dB (omni directional), 12dB (certain direction / 
Chosen direction) 
14) AC power: DC 10V - 20V 
15) Input: AC100 - 230V, 50 / 60Hz 
16) Output: 12V 1A 
17) Switching type / transformer type AC adapter (optional) 
18) Connector of power: US or European ,UK,austrialia .

Working diagram:

Phone looking: