Inmate Public Telephone with Volume Control Feature Wall Mounted Telephone–JWAT137
|Prisons, labor camps, drug rehabilitation centers and other public places.|
|◆ independent communication system with the switch and the coupler.
◆ Directly connect to the telecommunication network
◆ After the call system is formed, the product has an automatic gain function, and the size of the voice does not vary with the length of the distance or the number of the phone.
◆The circuit inside the telephone adopts the international universal double-sided integrated circuit, which has the advantages of accurate number, clear call and stable operation.
◆With volume adjustment function.
◆Stained steel shell with stainless steel surface, high mechanical strength and strong impact resistance.
◆Key parts of the handset and the hooks are both produced by our own company; Quality control strictly; After-sale reaction fast.