![No.1 Emergency Telephone supplier of Rugged Industrial Telephone Analog or Voip Heavy Duty Weather resistant phones](https://www.waimaotong.com/skin/20005/image/lazy.gif)
![No.1 Emergency Telephone supplier of Rugged Industrial Telephone Analog or Voip Heavy Duty Weather resistant phones](https://www.waimaotong.com/skin/20005/image/lazy.gif)
KNSP-18 Harsh Environment telephone
Harsh environment telephone set is suitable for Europe and America, such as Norway, Sweden, Russia, Canada, USA, Japan, Korea, China xinjiang, northeast three provinces, weatherVery cold and out of doors and snow in a very hostile environment, Bad environment telephone is especially suitable for SOS emergency call for tourists in north China's high-altitude areas such as high-speed railway, subway, tunnel, bridge, port, airport, large industrial and mining project dispatch and call place, outdoor scenic spot, country park, national nature reserve and forest park
DESCRIPTION
1. Robust aluminium alloy die-cast body, Vandal resistant and tamper-resistant hardware, simple installation.
2. Full keypad with memory, 10 button programmable, support free dial.
3. With external 30W loud speaker.Material:metal. Impeddance:8Ω.Freq.Resp:300-7000HZ. S.P.L:(1M/W):108dB. Megenet:ALum
4. With red flash Light. Work voltage: 12V DC/10W
5. Lightening protection to ITU-Trecommendation K.21.
6. Heavy Duty handset with hearingAid compatible receiver,Noise canceling microphone.
7. Handset with industrial strong curly cord .
8. Silicon keypad keep waterproof and dusty proof.
9. Door cover: orient automatically and good self - closing, convenient for use.
10.Temperature range from -40 degree to +70 degree.
11.Support echo cancellation.
12.Remote software upgrade, configuration and monitoring.
13. Optional 7 minute time out to release the line if the handset is left off hook.This function upon buyer’s requirement).
14. Powder coated in UV stabilized polyester finish.
15.The housing covered with a layer of reflective label for easy identification at night.Optional 16. Application: Tunnel, metro, railway, LRT, speedway, marine, ship,offshore, mine, power plant, bridge etc.
![No.1 Emergency Telephone supplier of Rugged Industrial Telephone Analog or Voip Heavy Duty Weather resistant phones](https://www.waimaotong.com/skin/20005/image/lazy.gif)
![No.1 Emergency Telephone supplier of Rugged Industrial Telephone Analog or Voip Heavy Duty Weather resistant phones](https://www.waimaotong.com/skin/20005/image/lazy.gif)
![No.1 Emergency Telephone supplier of Rugged Industrial Telephone Analog or Voip Heavy Duty Weather resistant phones](https://www.waimaotong.com/skin/20005/image/lazy.gif)