Product name:
Perfect Quad band GSM TO Analog Converter (fixed wireless terminal) for GSM network call 


3G Requency: 3G/UMTS 850/1900MHZ
                             3G/UMTS 900/2100MHZ 
                             3G/UMTS 850/2100MHZ

2G Requeny: 2G 850/1900MHZ, 900/1800MHZ


Main features:

Can do FSK or dtmf caller ID display and signal checking, clear voice, lock pin or network
reversal polarity or pulse billing, auto pin program, phone number length changeable

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.



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 GSM 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

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
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