Jinzhou Jinshi Mining Equipment Technology Co., Ltd.

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Mine Intrinsically Safe Phone

(Total 3 Products)
Intrinsically Safe Expansion Telephone for Mine
Intrinsically Safe Expansion Telephone for Mine ■ Product Overview The spreading telephone is a mine-used sound communication and signal communication device, which is suitable for the environment with danger of gas and coal dust explosion under the...
Mine Intrinsically Safe Expansion Telephone
Mine Intrinsically Safe Expansion Telephone ■Overview This mine-used intrinsically safe loudspeaker telephone (hereinafter referred to as the loudspeaker telephone) is suitable for underground coal mines, in an environment with explosive gases such...
Coal Mine Intrinsically Safe Expansion Telephone
Coal Mine Intrinsically Safe Expansion Telephone ■Overview The Coal Mine Intrinsically Safe Expansion Telephone is a mine-used intrinsically safe broadcast communication, signal contact, sound and light alarm and emergency stop locking device. The...
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Mine explosion proof intrinsically safe mobile phone is radio terminal device of coal mine Wireless Communication System. Radio frequency modulation launch signal through base station  and provide a wireless link between cell phones, so as to realize wireless communication.
Service Environment
1. No more than 2000 meters above sea level 
2. Ambient temperature: 0 ~ 40 degrees Celsius 
3. The atmospheric pressure : (80~106) kpa
4. Relative humidity: no more than 95%
5. Can be used for containing methane and coal dust mixed in the mine
6. Launch field strength:-40~-10(dBm/m)
7. Operating frequency: 2.412~2.472GHz

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