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