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Home > Products > Others Can > fashion telephones colorful telephones antique style telephones

fashion telephones colorful telephones antique style telephones

Basic Info

Model No.: JWBT858A

Product Description

                        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 details                      

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