Ascom d81

Ascom d81 is a durable and ruggedized DECT handset intended for professional users in demanding environments. 

Besides excellent telephony, its advanced messaging capabilities make it ideal for interacting with colleagues and even automated equipment. The Ascom d81 is available in a number of license dependent models – from a robust telephone with professional messaging (Messenger) to an advanced model with personal alarm capabilities (Protector)

Both Ascom d81 Messenger and Protector are also available in “intrinsically safe” models, for use in potentially explosive environments. Ascom follows the ATEX directive for Europe, CSA certification for North America and the IECEx scheme for rest of the world.


Ascom d81 technical specification


  • Tough industrial handset
  • IP65 classified design
  • Enterprise-grade voice quality
  • Enhanced DECT security
  • Push to talk (PTT)
  • GAP/CAP compliant DECT handset
  • Shared phone1
  • Upgradeable by license
  • 18 default languages + 1 customizable

Personal Alarm options

  • Push button alarm
  • Pull cord alarm (HW + license option)
  • Man-down/No-movement alarm (license option)
  • Acoustic Location Signal (ALS)
  • Automatic call after alarm

Location options

  • Base station location
  • DECT beacon location (license option)
  • LF location (HW option)


Size (h× w × d):   142 × 56 × 25 mm

Weight:   170 g (including battery and clip)

Handset color options: Gray/Dark Gray

Front plates color options: Steel Gray, Dark Gray, Turquoise, Green, Orange

Display (w × h):  28 x 35 mm, CSTN display

Free fall test:  

  • IEC 60068-2-32, procedure 1, dropped 12 times specification extended to 2 meters.
  • IEC 68-2-32, procedure 2, dropped 1 000 times from 0,5 meters.


Operating temperature:   -10°C to +55°C

Storage temperature:   -20°C to +60°C 

DECT frequencies

  • 1880-1900 MHz (Europe, Africa, Middle East, Australia, New Zealand and parts of Asia)
  • 1900-1906 MHz (Thailand)
  • 1910-1930 MHz (South America)
  • 1920-1930 MHz (North America)

Supporting documents

Ascom d81 product sheet

Ascom d81 product sheet

A tough design coupled with an outstanding level of functionality, for users demanding operational excellence in the most challenging settings, such as industrial plants and secure establishments.
Ascom IP-DECT centralized management

Ascom IP-DECT centralized management

Provides a single point of administration, over the air, for all Ascom devices. 

Related products

The availability, configuration and technical specifications of Ascom products, services and solutions may vary from country to country. Please ask your nearest Ascom representative for further details.