PSST Technology(HongKong) CO., LTD.
Public emergency help points
Public emergency help points

Public emergency help points

Overview of public emergency help points PT-M-MT1
Analog waterproof public emergency help points are engineered to deliver reliable, high quality communications in extreme harsh environments. enclosing cold rolled stainless steel housing and 304 stainless steel call butoon, offering increased resistance to vandanlism, resulting in high reliability of the product long MTBF.

Programmable auto dial and auto answer function, can prestore one group number, press to call help direct connected, self stop if the other side hangs up. incoming calls with very loud sound.

Extemely simple to maintain and install.
  • Overview
  • Specifications
  • Drawings

Main features of public emergency help points PT-M-MT1

  • The robust structure, weatherproof, temper-resistant
  • Weather resistance to IP66
  • Cold rolled steel panel, 304 stainless steel call button
  • Wall mounted or embedded installation, simple to maintain
  • Telephone line powered, no need external power supply
  • Prestore one group number, starting up to have an emergency call
  • Programmable auto answer function
  • Phone port: RJ11
  • Build in speakerphone
  • Broadcasting distance: 20 square

Applications of public emergency help points PT-M-MT1

outdoor where you need a telephone with a high level of protection. examples tunnel, campus, steel workshop, mines, bridge, power plant rooms, highway toll stations, police stations, prisons, railways lines, sports stadiums, airport baggage handling, underground stations and walkways, gate entries, barrier control and car parks. etc

Package of public emergency help points PT-M-MT1

Size: 166*88*35 mm
Packaging material: PE EPE bag, carton
Net weight: 1.0 KG
Gross weight: 2.0 KG


  • OEM/ODM services are available
  • Normal use, nonhuman damage, one year warranty

Specification of public emergency help points PT-M-MT1

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 
  • Button: Metal stainless steel
  • Housing: Cold rolled steel
  • Color: yellow red grey can be tailored
  • Logo, slogan can be tailored
  • One button or two button can be tailored 
  • VoIP GSM Analog protocols can be tailored

drawing of Public emergency help points
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  • FAX:0755-33671258
  • ADDRESS:NO. 20, Phoenix No. 1 Zone Industry, Fuyong Street, Bao'an District, Shenzhen City
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