KTT105 mine party line telephones can be used in mine coal mine with explosive mixture environment.
1. Power : DC6V, four R20S type # 1 battery-powered
2. Ringing level : greater than 80dB (A)
3. Communication distance : ≤10km
4. Environmental conditions Ambient temperature:-5℃- +40℃;relative humidity : ≤95%(+25℃)atmospheric pressure : ≤80-106kpaEnvironmental Noise : ≤75dB(A)
5. communication distance : ≤10km,cable model specifications MHYV1*2*7/0.37.
6. cable model specifications : MHYV1*2*7/0.37
7. ringing level greater than 80dB (A)
1. This phone contains chassis and handle ,two parts are made of high quality aluminum material, has good mechanical resistance and moisture corrosion characteristics.
2. The phone "ringer" with moisture performance piezoelectric ceramic mounted inside the body, all electronics components are mounted on a printed circuit board connected with the body through the plugs and sockets, battery box located in the body.
Because of the production batch, the specific model are different, the above pictures are only for reference , you can contact our sales staff for further details on the specific verification.