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: -10H ~ +40H
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: 650g
21) Colors: white / blue (optional)
22) Connection mode: RJ-11 phone sockets
23) Antenna connection: SMA antenna connection