Application 

The KTH 122 mining intrinsic safety telephone can be used in the dangerous underground environment which is with methane and other explosive gas, it is used to communication, and whose schedule is small.

Model implication

Features

 KTH type telephone is intrinsic-safe, adopting DMC pressed plastic as its shell with features of beautiful appearance and high mechanical strength. The circuit of the inner machine adopts international general integrated circuit with functions of audio, impulse compatible dialing and properties of accurate signal, clear sound, stability, small volume, light weight, solidness, durability, loud ringing, good sealing, button backlight.

Main technical parameters