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Quick Details

  • Place of Origin: Guangdong, China (Mainland)
  • Brand Name: etross
  • Model Number: 8848G
  • Color: White/ Black/Grey
  • Auto-select economic route: LCR function
  • backup battery: 7.4V optional

Packaging & Delivery

Packaging Details Package:
one pcs GW:0.65kg Mea.:28.5cm*17cm*5cm
one CTN GW:13kg/20pcs Mea.:59cm*26cm*35cm
Delivery Time in 3 days

The Sketch for connecting to PSTN And Ordinary Telephone set.


Main 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)


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) Input: AC100 - 230V, 50 / 60Hz
    Output: 12V 1A
15) Connector of power: US or European type
16) Dimensions (L x W x H) (average): 185 x 135 x 22mm 
17) Colors: White/blue/black (optional)
18) Connection mode: RJ-11 phone sockets
19) Antenna connection: SMA antenna connection


Operation Circumstance: 
Operation temperature: -10c~60C
Storage temperature:-20C~70C
Operation humidity:45%-95% 
Atmosphere pressure:86-106Kpa
Environment noise: <60DB
Transmitting Power:2W
Sensitivity: <-104dbm
Antenna Amplifying: >2.5db
Dialing frequency: 450Hz
Hanging voltage: 45V
Picking current: 30mA/41mA



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China (Mainland)
Transaction Level:
Supplier Assessments:
8 Transactions 3,000+
The supplier’s transactions conducted via Alibaba.com in the past 6 months.
The supplier supports Trade Assurance – A free service that protects your orders from payment to delivery.
Supplier's Trade Assurance Limit: US $57,000
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