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Small, thin (5.6mm), light (10g), wearable beacon with a 100m range. Advertises iBeacon, Eddystone UID, Eddystone URL, Eddystone TLM, and sensor info (battery level, temperature and acceleration). Supports motion triggered detection and button triggered broadcast using UUID value +1 at 0.2s advertising. Uses the newer Nordic nRF52810 SoC for improved battery life.

This temperature is the System on a Chip (Soc) die/chip temperature. As the chip is low power and generates little heat, this tends to track the external temperature. 

Available in white or black.

Includes 3M sticker.

Supplied with access to the technical information.
Transmission iBeacon and Eddystone
Battery size CR2032
Number of batteries 1
Battery included yes
Battery life 1 year, depends on settings
Size 36mm x 36mm x 5.6mm
Weight 10g
Waterproofing no
Includes sticker yes
Password to configure yes
Power range -30dBm to +4dBM
Buzzer no
Temperature sensor yes
Humidity sensor no
Accelerometer sensor yes
Motion triggered broadcast yes
Operation modes sleep,normal,connected
On off switch yes
Chip nRF52810
Working current 10.5mA
Transmit distance 100m
Android SDK yes
iOS SDK yes
Android config app yes
iOS config app yes

K21 (iBeacon, Eddystone, temperature, acceleration)

  • Brand: KKM Company
  • Product Code: K21 (Temperature and Acceleration)
  • Stock: 129
  • £24.58

  • Ex vat: £20.48

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  • Expert English UK based support

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Tags: minew, E8, ibeacon, Eddystone