BLE Key Fob

The WKF300 is a BLE beacon designed as a key fob. It can be used for driver ID identification and as a panic button.



  • Dimensions
  • Weight
  • Operating Voltage
  • Operating Temperature
  • Carrier Frequency
  • Transmission Distance
  • Sensitivity
  • Sampling Period
  • LED Indicator
  • Transmission Mode
  • Battery Life
  • Low Power Alarm

56 × 41 × 8mm 2.20’’(L)

1.61’’(W) × 0.31’’(H)

22.3g (0.79oz)

2.4V ~ 3.3V DC

-20℃ ~ +60℃

2.4 GHz, supports BLE 4.2 protocol

80m (open area)


Once per second

Indicates device activation, pairing or status check

Continuous data broadcast (1000ms to 5000ms) for monitoring the on-board status of the driver; one-time data broadcast for emergency alert

CR2032 button battery 3 years (press three times per day on average under normal ambient condition with continuous broadcast turned off); 1 year (continuous broadcast every second)

Indicated in the data sent to the receiver