6
5
To avoid noise interference, use an anti-EMI phone if possible.
6
If the device installed rechargeable battery, please recharge for at least 24
hours before the first use.
7
Please use the device stand to the manual.
7.
7.
7.
7. Technical
Technical
Technical
Technical Specifications
Specifications
Specifications
Specifications
International Standardization of GSM Digital Mobile Network.
Work frequency: GSM 850MHZ/1900MHZ
or GSM 900MHZ/1800MHZ or GSM 850/900/1800/1900MHZ
Power:
≤
2 W
Sensitivity: -104dB
power consumption: Static
≤
25mA, Transmit
≤
600mA
Ambient noise:
≤
60dB
Antenna gain: 5dB (omni antenna), 12dB(directional antenna)
Power Supply: DC 5V
（
adapter AC 110~240 input
）
DTMF Receive: > -23dB insure receiving.
DTMF Receive sensitivity:
＞
99.99%
Insertion loss:
≤
0.5dB
