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                        fashion telephones colorful telephones antique style telephones   This series of the host anti-explosion Telephone can be widely used in nuclear power plant, petroleum, chemical plant, storage and transport industry etc flammable and combustible area. Then user can be communicate in a dangerous area. Shipping port telephone , shipping telephone Weather-proof telephone ,Weatherproof Telephone   1.Features: With program-controlled telephone switches, coupler composed of independent communication system.
Pieces can be connected directly to telecoms networks
1.Mixer telephone amplifying sound according to their own environment can adjust the volume
2.Mixer automatic amplification function and broadcast function
3.Mixer in telephone circuit adopt the internationally used double-sided integrated circuit, with no accurate and clear communication, .stable work, etc.
4.Pieces of IP65 protection class to apply to harsh environments such as moisture, dust and corrosion.
5.Telephone Shell patent design, waterproof, dustproof, without waterproof cover, beautiful and practical  Weather-resistance telephone, Anit-Explosion telephone Explosionproof telephone   Maritime telephone Waterproof Telephone 2.method of application The host explosion-proof telephone (JWBT918A) method of use
Picked up explosion-proof telephone dial another explosion-proof telephone, the called party explosion-proof telephone ring 6 ring automatically after switch on the speaker, the speaker directly radio calls. The called party after hearing the call hook (1 minute nobody pick machine response will hang up automatically), called the speaker automatically shut down, both parties can talk to each other. hazardous area telephones Industrial Telephone Rugged telephone arduous & hazardous area telephones arduous area telephones Subway telephone, high speed road telephone  

3.Technical parameter

Ambient temperature	-30~+50°c
Defend grade	IP66
Relative humidity	≤95%
Atmospheric pressure	80~110KPa
Call effective distance	6Km
Anti-explosion grade	Exde[ib]ibll BT6, Exde[ib]ibll CT6, DIP A21  TA,  T6
Output voltage	AC220V±15%,50Hz
Wait, working current	50mA,≤0.2A
Frequency response	250~7500Hz
Lines output audio signal level	+2dB
Loop cicuit impedance	1KΩ
Amplify output power	0~25W Continuously adjustable
Noise cancelling index	115dB environment
Installation	wall-mounted

    4.product details     5.company details                      

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