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Inmate Telephone

Inmate Telephone

Product model:KNZD-27LCD

KNZD-27-Inmate phone
Inmate Telephone is dedicated to the prison phone criminals and visiting people communicate in the phone. In order to improve the inmate life and promote the rehabilitation of criminals, and will set up a prison phone every prison, allows criminals to communicate with the outside world.
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inmate phone

KNZD-27 inmate phone

      KNZD-27 is a professional telephone for inmate phone calls. prison phone calls usually need absolute strongest phone.People put money on phone for inmate to make phone calls inside the jail.KNTECH is prossional communication system provider for inmate phone service.KNTECH manufacturing inmate telephone system include IP PBX and inmate phone.

Main Product features

    1.Cold rolled steel body,solid and temperature bearable.

    2.High durability,oil,acid,alkali resistance,conform to the standards of GJB-773 and UL1332 requirments.

    3.Highly integrated mainboard, using the most advanced industry-specific microcontroller made in ATMEL company.

    4.The box with earting device is completely isolated with internal electric circuit,and has certain electromagnetic shielding effect.

    5.Concersation with clear loud voice,no feedback screaming.

    6.Support hotline of exchange system.

    7.Support the function of exterior line automatic lift 

    8.Support conversation time limted.

    9.Strong,thick and beautiful body with embed wall design.

    10.Support LED.

Main PCB

    1.Well treated PCB used inside the phone.

    2.Robust screw terminals used for the connection of ringer,handset,line in,hookswicth.

    3.Selectable 7 minute time out,to relese the line if the handset is left off hook.

    4.All connectors be greased in production.