"Kontakt.io brings you the first beacons in the

market ready for the new Bluetooth 5 standard

2x speed  8x data"

                                                       - Kontakt.io


This card enables to locate anyone in real time and to analyze their movements over time. 


It is possible to be instantly notified about events. Card Tag CT18-3 has a built-in button* which, when pressed, sends predefined alerts to the cloud. Common use cases: calling a nurse in a hospital, reporting a panic situation in a workplace, or informing shift operators about completed process steps.


This card tag has FCC, CE, RoHS and IP67 Certifications and its core

is the Nordic Semiconductor nRF52832. Optionally, it comes with a built-in RFID so it can be used for RFID applications like automated check-in without additional hardware.


It is quite simple to identify all Kontak.io beacons because of their ID number and their administration can be done with Kontakt.io Panel or App (available for Android and iOS).


Other features:

  • Compatible with iBeacon and Eddystone at the same time
  • Range up to 70m (we recomend to limit the range to 60m or less)
  • Transmission power between -20 and 4dBM
  • Non replaceable battery that last up to 34 months (depending on TX Power and Advertising interval)
  • Firmware update over the air
  • Telemetry* (Temperature, Accelerometer and), RFID (read-only) Real-Time Clock and LED
  • Kontakt.io Secure Profile
  • Mounting:
    • hole for a leash
    • double-sided sticker
  • Custom frames (for large orders) and logo upon request


More information about this card tag can be found at:



*Telemetry and panic button work only with Infrastructure Management + Data Streams Subscription