KTW Mine Explosion Proof Intrinsically Safe Mobile Phone

Introduction of KTW Mine Explosion Proof Intrinsically Safe Mobile Phone We are manufacture of flameproof equipment include Mining Mobile Phone, explosion proof telephone, Vacuum Feeder Switch, Explosion Proof Telephones, Coal Mine Telephone. KTW 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(dBmm) 7. Operating frequency: 2.412~2.472GHz Technical Parameters of KTW Mine Explosion Proof Intrinsically Safe Mobile Phone Rated voltage : DC 3.7V Maximum working current : ≤ 650 mA Standby current:≤80mA Ringing loudness: ≥70dB  Battery : 3`7v1200mAh Standby time : 72h      Duration : 6 hours Receiving sensitivity (dBmm) : ≤-75 Communication distance : ≥100meter Working channel : 13   Dimension : 120mm(L)52mm(W)22mm(H)  Weight : 139g Features Of KTW Mine Explosion Proof Intrinsically Safe Mobile Phone 1. Use mine safety design, light small