Gold Member Since 2008
Audited Supplier
Shenzhen Etross Telecom Co., Ltd.

GSM PSTN FWT, GSM Gateway, GSM PSTN Gateway manufacturer / supplier in China, offering GSM FWT-8848 GSM &PSTN with Lcr, Manufacturer Mtk Chipset Desktop GSM Fwp SIM Card GSM Fixed Wireless Phone, Quad Band FM Radio GSM Fwp GSM Fixed Wireless Telephone with Multi-Language and so on.

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Supplier Homepage Product GSM / CDMA FWT GSM FWT-8848 GSM &PSTN with Lcr

GSM FWT-8848 GSM &PSTN with Lcr

Purchase Qty.:
1-99 100+
FOB Unit Price: US $45 US $40
Purchase Qty. (Pieces) FOB Unit Price
1-99 US $45
100+ US $40
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Production Capacity: 10000 PCS/Month
Transport Package: Standard Carton
Payment Terms: L/C, T/T, Paypal, Money Gram, Western Union

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Basic Info
  • Model NO.: Etross 8848 GSM/PSTN FWT
  • Usage: Voice Call
  • Condition: New
  • Color: White/Black(Optional)
  • Warranty: 1 Year
  • Phone Interface: 2 Rj-11 Interfaces
  • FXO Port: 1
  • Specification: L185 X W135 X H22(Mm)
  • HS Code: 85251090
  • Type: GSM
  • Certification: CE
  • Weight: 700g
  • Billing Signal: Reversal Polarity
  • Size: 185 X 135 X 22(Mm)
  • FXS Port: 1
  • Trademark: Etross
  • Origin: China
Product Description

Brand: Etross or OEM Brand

Model no.: Etross-8848 gsm/ptsn

Product name: GSM/PSTN Fixed Wireless Terminal with LCR

Frequencies: Dual band: GSM 900/1800Mhz, Quadband: GSM 850/900/1800/1900Mhz

Etross-8848GSM/PSTN with LCR has the function of choosing the route automatically.
When you dial out from the device, it will check the prefix number. You just need to preset it in the unit, then it will call out through GSM/PSTN according to the presetting rules. Also, both GSM and PSTN support call-in.

When you are in calls through GSM line, if another call arrives at PSTN, the caller will hear busy tone, and vice versa.

If you don't connect the PSTN line, it will dial out from your mobile SIM without distinguishing at high cost.
If the SIM card is not in its position or GSM network is no signal, it will dial out from PSTN line.

When a PSTN call is received and the extension is not answered within the specified time, the call will be routed to the designated number via the GSM network. And vice versa.

Main function & 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)


1) Air interface standard: GSM 900 / 1,800MHz phase 2+

2) Frequency ranges:
    a) GSM 900:
        i) Transmission: 890 ~ 915MHz
        ii) Reception: 935 ~ 960MHz
    b) GSM 1800:
        i) Transmission: 1,710 ~ 1,785MHz
        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 type

19) Dimensions (L x W x H) (average): 185 x 135 x 22mm

20) Weight:
    A) FWT: 400g
    B) Full set with AC adapter, antenna and box: 800g

21) Colors: White/grey/black (optional)

22) Connection mode: RJ-11 phone sockets

23) Antenna connection: SMA antenna connection

Standard Component







User's Manual





3 metre antenna

Power Supply


 Input: AC100 - 230V, 50 / 60Hz , Output: 12V 1A



Inner box MEAS




Carton MEAS






GSM FWT-8848 GSM &PSTN with Lcr
GSM FWT-8848 GSM &PSTN with Lcr
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