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Brand:Etross or OEM brand
Model no.:etross-8818
Product name: GSM Fixed Wireless Terminal
Frequencies: GSM900Mhz,900/1800Mhz

Features and Functions: 
1) Simple to install and easy to maintain
2) Steady module and reliable design ensures good performance
3) Provides optimized circuit directly connecting the exchange device for
    extensions
4) Compatible to most telephones, PBX and VoIP gateways (for call
    termination)
5) Strong signals with high gain antenna
6) Attractive plastic casing
7) SIM card supported (1.8V, 3V)
8) Caller ID display
9) Provides reversal polarity signal for metering
10) No noise and clear voice
11) Suitable for wide voltage range and low power consumption
12) Suitable for all kinds of weather and environment
13) RJ-11 ports (two extensions: line / phone and line (optional))
14) Locking PIN / network (optional)

Specifications:
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: China
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 / blue (optional)
22) Connection mode: RJ-11 phone sockets
23) Antenna connection: SMA antenna connection