Usb Telephone Handset

Following are the Main Features of USB Telephone Handset :-
1. Handset body made of special engineering plastic PC
2. Vadanl resistant, Good for fire resistance and hand feeling
3. Intensity of tension for armoured cord >250kg
4. Pierce-proof and hi-fi transmitter and receiver
5. Good call transmission of the matching phone, 4.2-in-GB/T15279-94-compliant

Service condition
1. Temperature: -30~+50A C Relative humidity: a 95%
2. Atmospheric pressure: 80~110 kPa
3. Ambient noise: a 60dB
4. Working frequency: 300~3400 Hz Level of protection: IP65

Transmission performance
1.SLR:5 ~ 15 dB
2.RLR:- 7 ~ 2 dB
3.STMR:a Y 7 dB

Customer choice
1. Magnets or reed in handset is available.
2. Armoured cord and coil cord are available
3. Handset body can be made in red,yellow,blue and also can be customed by customer.
4. Matt or brilliance of handset body is available.
5. The length of armoured cord (90cm normally) is flexible, Diameter of the tube: I 8.4I 7.8I 6.5
6. Connector can be chosen according to connector series or designated by customer.