Desk Occupancy Sensor

Desk Occupancy Sensor

The Wireless Desk Occupancy Sensor uses a combination of temperature measurements and machine learning to determine if a desk is occupied or not based on temperature changes created by the presence of people sitting at a desk. The result is wirelessly transmitted to nearby Cloud Connectors (gateways) via the SecureDataShot™ protocol. Cloud Connectors relay sensor data to the DT cloud infrastructure that users can either forward to other cloud services using Data Connectors or use the data directly in DT Studio (web application).

EU and US variants

This sensor is available in two variants, one for the EU and one for US/Canada, due to different certifications, compliances, and wireless communication.


Operating conditions 
Temperature 0 to 50 °C / 32 to 122 °F
Humidity 10 to 90% RH (non-condensing)
Wireless communication 
EU 868 MHz SRD/ISM band, SecureDataShot
US/Canada 915 MHz ISM band, SecureDataShot
Certifications and compliance 
EU CE, UKCA, WEEE, Batteries directive
US/Canada Certified to FCC and ISED regulations
FCC ID: 2ATFX-100541
IC: 25087-100541
Battery Specification
Battery BR1225  (non-replaceable)
Lifetime Up to 9 years (standard mode), up to 3 years (Boost mode)
Storage conditions Cool and dry, near normal room temperature
Construction IP68, impact-modified acrylic film 
Size and weight 19 x 19 x 3.5 mm, 3.0 g
Mounting method Adhesive
Wireless Range  
Indoor 25 m | 82 ft
40 m | 131 ft w/Cloud Connector (2nd Gen)
Indoor with Extender 100 m | 328 ft
150 m | 492 ft w/Cloud Connector (2nd Gen)
Product numbers and datasheets
EU 102553
US/Canada 102554
Datasheet  Datasheet Wireless Desk Occupancy Sensor

See the datasheet for detailed specifications.
1) Based on standard ITU-R P.1238 (indoor) and ITU-R P.525 (free-space). 


Detailed installation and planning instructions can be found in the Desk Occupancy Installation Manual.