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SPECIFICATIONS
PARAMETER
GALLERY
DATABASE
Use scope
KTH22 mining telephone is used for coal mine that contains explosive gases(methane and coal dust) and other bad environment.
Product features
1.Dialing mode:impulse and double audio frequency
2.Struction form:wall-hung and desktop
3.The telephone case uses anti-static materials and flame-retardant plastics; safe and reliable.
4.The telephone adopts electromagnetic transmitter instead of carbon transmitter; long life, stable performance, low noise, good linearity
span lang=EN-US>4, Use hinder burn antistatic ABS engineering plastics, adopt acid-proof rubber to annotate a type, waterproof and dustproof.