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KTW Mine Explosion Proof Intrinsically Safe Mobile Phone

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Date: Sep 30 2018
Subject: KTW Mine Explosion Proof Intrinsically Safe Mobile Phone
Category: Electric Machinery, Sound/Television Equipment & parts
Company: Shandong China Coal Group
Contact:
Mike Jiang Write & Send Message
Country: China
Type: Sell
Text: china coal 0001
Introduction of KTW Mine Explosion Proof Intrinsically Safe Mobile Phone
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(dBm/m)
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`7v/1200mAh
Standby time : 72h     
Duration : 6 hours
Receiving sensitivity (dBm/m) : ≤-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, easy to carry.
2. System voice terminal adopt IEEE802.11 protocol design, its safe and anti-
interference are more than ever before.
3. With clear communication, receiving high sensitivity, communication distance,
etc. Terminal with multifunctional application platform, scalable group messaging,
surfing the Internet, etc.
4. Have higher receiver sensitivity, to ensure maximum full play wireless network
function.
5. Average work  power consumption is low, have a longer standby time. Mobile
phone make rechargeable lithium ion batteries, can charge by the charger.
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