Rail, Tram and Metro
Maritime and Shipping
Airport and Aviation
Mining and Tunnels
Roads & Highways
Power Stations & Industry
Flush mount heavy duty telephone

  • Can be mounted to either desks or walls
  • Weather-resistance and rugged construction
  • Safety due to their non-metallic case & handset
  • Corrosion resistance
  • Solid State Electronics throughout
  • Highly reliable operation & ultra-low cost of ownership
  • Non-mechanical detection of the presence of the handset in its stowage
  • Connections typically by armoured cable, trunking etc

For further information on "Self-Test" klick here
Analoge Phones with "Self-Test" as standard
can also be included in many other phones as an option


Conventional mount heavy duty telephone with handset

  • Weather-resistance and rugged construction
  • Safety due to their non-metallic case & handset
  • Corrosion resistance
  • Solid State Electronics throughout
  • Highly reliable operation & ultra-low cost of ownership
  • Non-mechanical detection of the presence of the handset in its stowage
  • Electrical connections may be brought in through a standard gland
  • Many options to suit your exact requirements

For further information on "Self-Test" klick here

Rail, Tram and Metro
Maritime and Shipping
Airport and Aviation
Mining and Tunnels
Roads & Highways
Power Stations & Industry
Conventional mount heavy duty telephone with handset

  • Weather-resistance and rugged construction
  • Safety due to their non-metallic case & handset
  • Corrosion resistance
  • Solid State Electronics throughout
  • Highly reliable operation & ultra-low cost of ownership
  • Non-mechanical detection of the presence of the handset in its stowage
  • Electrical connections may be brought in through a standard gland
  • Many options to suit your exact requirements
  • No Keypad

For further information on "Self-Test" klick here

Rail, Tram and Metro
Maritime and Shipping
Airport and Aviation
Mining and Tunnels
Roads & Highways
Power Stations & Industry
ProductsAnalogueHandset • Self Test
Extek design and manufacture arduous & hazardous area telephones to individual customer specifications.


Maritime and Shipping
Rail, Tram and Metro
Airport and Aviation
Minning and Tunnels
Manufacturing, Power Stations and Industry
Roads and Highways
Medical and Pharmaceutical applications
High Noise Environment

Self-Test