3G Network PSTN Converter FWT
WCDMA FWT 3G TO Landline converter
3G WCDMA UMTS GSM to PSTN Gateway
Perfect  3G Fixed wireless terminal
3G GSM Gateways WCDMA
3G FWT GSM to Landline converter with sim card slot, battery back up 

1, General Description
3G WCDMA FWT-8848 is a WCDMA 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 u sed 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 extensions; to connect
billing systems for public phone use; to connect VoIP FXO 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 an analog FXS phone line .

Module employed:
UC-15
3G Tri-Band UMTS/HSDPA/HSUPA(WCDMA/FDD) :3G/UMTS 850/1900MHZ
                                                                                                3G/UMTS 900/2100MHZ 
                                                                                                3G/UMTS 850/2100MHZ
2G Quad-Band GSM850/900/1800/1900Mhz


Applications:
           Can connect to regular telephone set
           Can connect to pabx,pxb for extension
           Can connect to home alarm system, alarm panel
           Can connect to phone billing meter/payphone
           Can connect to Voip gateway
           Can connect to lift/elevator

Features:

1) It is a 1 channel WCDMA Gateway which has 2 RJ-11 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;
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.

Specifications
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
Sensitivity:<-104DBM
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