User`s manual

GSM&PSTN FWT-8848 User's Manual Version 1.1

Front side

LEDs display for Signal strength, Power, Working

Status, Talking and Battery indicator;

Rear side

1pcs SMA antenna connectors, 2 RJ-

11 output, Power

port and switch;

Bottom side

1pcs Sim card holder slots, you can insert Sim card

into the slot .

2, Features:

1) Auto-select economic route (Low cost routing-LCR function)

2) GSM isn't ready, call will be forced to dial out from PSTN.

3) When not connecting to PSTN line, GSM will provide the forced dial-out function

4) Simple to install and easy to maintain

5) Steady module and reliable design ensures good performance

6) Provides optimized circuit directly connecting the exchange device for extensions

7) Compatible to most telephones, PBX device.

8) Strong signals with high gain antenna

9) Attractive plastic casing

10) SIM card supported (1.8V, 3V)

11) Caller ID display

12) Provides reversal polarity signal for metering

13) No noise and clear voice

14) Suitable for wide voltage range and low power consumption

15) Suitable for all kinds of weather and environment

16) RJ-11 ports (1 fxo for pstn line and 1 fxs port)

17) Locking PIN / network (optional)

3,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