PSST Technology(HongKong) CO., LTD.
Anti-Vandal Jail Telephone
Anti-Vandal Jail Telephone

Anti-Vandal Jail Telephone

Overview of anti-vandal jail telephone PT-M-KT5

This vandal resistant jail telephone is constructed with robust stainless steel box, and manufactured to a high standard, offering increased resistance to vandanlism to ensure the effective stable communication is maintained all time, resulting in a highly reliable product with a long MTBF.

Except the normal telephone function, it can be programmble auto dial, pick up the handset auto dial the programmed numbers, if first number doesn't answer or is busy, dials next number automatically, untill it get through. hot-line calling and speed dial function also can be supported.

These series telephones are widely used in the banks , hotels, jails, ATM machines, airports.... areas as an emergency help points, or service telephone.

  • Overview
  • Specifications
  • Drawings

Main features of anti-vandal jail telephone PT-M-KT5

  • Standard analog phone, VoIP, and GSM also can be customized
  • Stainless steel housing robust constructed, vandal resistant
  • Armored cable handset
  • Features a ruggedized metal alpha numeric keypad
  • Weather resistance to IP65-IP66
  • Auto dial, hotline, auto answer function be optional
  • Telephone line powered by the analog model
  • Extremely simple to maintain and install
  • Suit for hotline phone, help points, emergency call station box

Applications of anti-vandal jail telephone PT-M-KT5

Widely used in the bank halls, airport, hotels, building entrances, subways, bus stations, highways, railways, metro, dock, marine applications, tunnels, underground mining, firefighter, industrial, prisons, Jail, parking lots, guard stations, police stations, ATM machines, stadiums, inside and outside building and so on

Package of anti-vandal jail telephone PT-M-KT5

Size: 280*130*35mm
Packaging material: PE EPE bag, carton
Net weight: 3.0 KG
Gross weight: 4.0 KG


  • OEM/ODM services are available
  • Normal use, non-human damage, one year warranty

Specification of anti-vandal jail elephone PT-M-KT5

DTMF dialing parameters
  • Low frequency group frequency:697.770.852.941HZ
  • High frequency group frequency: 1209.1336.1477HZ
  • Frequency deviation: ≤ 1.5%
  • Low frequency group level: -9 + 3dB
  • High frequency group level: -7 + 3dB
  • Level difference : 2 + 1dB
  • Harmonic total distortion at least low 20dB than the fundamental level
Ringing tone decibel
  • 70dB
Speaker decibel
  • 90dB (external power supply)
Phone impedance
  • 600 Ω
  • EEPROM (power off without loss data)
  • RJ11 or 2P terminal
Parameter setting 
  • by keyboard DTMF dial set
  • excess of 50,000 hours using
Non - linear distortion
  • <5%
  • 48v
Working environment
  • Operating  Temperature: 30°C to +65°C 

  • Storing Temperature: 40°C to +75°C 

Accessories material 
  • Handset: ABS
  • Keypad: Zinc alloy die casting
  • Hook: Aluminium alloy
  • Telephone line: Armoured cable
  • Housing: Stainless steel
  • Color: blue grey silver can be tailored
  • Logo, slogan can be tailored
  • Handset or handfree model 
  • With keypad or without keypad 
  • VoIP GSM Analog protocols can be tailored

drawing of Anti-Vandal Jail Telephone
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