FLEX | Quick and efficient data collection

A standalone wireless vehicle sensor for periodic and continuous measurements
Flex wireless vehicle sensor

Wireless flexibility

The FLEX sensor from Sensebit is a standalone vehicle sensor with integrated battery and modem that requires no roadside installation. The sensor is installed in the center of the lane to be measured and is managed remotely. With quick installation, remote management and accurate data, the FLEX sensor is an ideal product for measuring AADT, effect studies, seasonal variations in traffic and much more.

Download product sheet Download product sheet


Measure anywhere

Since no roadside equipment is needed, the FLEX sensor can be installed basically anywhere in less than 15 minutes to collect traffic data.


The FLEX sensor can be configured for almost any scenario, wether you wish to measure one day per week or 24/7 all year around.


Built to handle Nordic winters and Australian summers and with no roadside installation, the FLEX sensor requires no maintenance once installed.


Built on open protocols, the FLEX sensor can be used with most existing software as well as our cloud based analytics tool TrafficWeb.

What data do I get?

Vehicle-by-vehicle data that can be used for statistics, detailed studies or ITS applications.



Synchronized time with millisecond resolution.



-200 to 200km/h with 0.1km/h resolution.



Up to 15 classes, choose your scheme.



Bumper to bumper with 0.1m resolution.



  • Classification error (five class scheme) 5% 5%
  • Average velocity error 1% 1%
  • Average length error 1% 1%

* Test by the Nordic traffic authorities research cooperation NordFOU. Download report summary


We continuously participate in third party tests organized by road administrations and research organization throughout the world to assert the performance of our vehicle sensors. All accuracy claims are based on independent and published reports.

The data is not ok, it's fantastic

- John Byrnes, CEO Road Information Technologies

Battery life for different scenarios

10 years, 365 days

The battery life in the FLEX sensor is limited to 10 years during which you can schedule 365 days of measurements.

years, measuring statistically verified AADT

years, measuring one winter and one summer month each year

year, measuring 24/7

Physical specifications
Height 120 mm
Diameter 150 mm
Operating temperature -35°C to 70°C
Ingress protection IP68
Network specifications
Bands GSM/GPRS/EDGE: 850/900/1800/1900 MHz, WCDMA: 850/1900/2100 MHz
SIM card Mini-SIM (ISO/IEC 7810:2003, ID-000)
Installation specifications
Drill diameter >157 mm
Drill depth 180 mm
Installation time ~15 min

Try the FLEX sensor now

Enough reading, request a demo of the FLEX sensor now and see for yourself what it can do for you

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