JetHome JetStick Z4 (EFR32MG21) Zigbee Stick



The stick can be purchased at the manufacturer’s website:

The Zigbee USB Stick JetHome JetStick Z4 is designed to act as a coordinator or Zigbee router and can be used to control other wireless Zigbee based home infrastructure devices as part of a Smart Home controller with the appropriate software installed and configured.

The Stick is based on a state-of-the-art multiprotocol wireless 2.4GHz Silicon Labs microcontroller EFR32MG21 and features increased transmitter output power.

Technical Specifications

  • The *80Mhz *Arm® Cortex®-M33 processor.

  • Flash 1024KB.

  • SRAM 96KB.

  • Transmitter output power up to +20 dBm.

  • The power supply voltage is 5V from the USB port.

  • Current consumption in active mode is not more than 150 mA.

  • The antenna connector is RP-SMA.

  • The dimensions of the stick in the case without external antenna: 62 x 18 x 10 mm.


Supported firmware

Stick flashing procedure

Operating conditions

  • Ambient temperature: 0..+40 С.

  • Relative humidity up to 80% without condensation.

  • Closed explosion-proof rooms without aggressive vapors and gases.



  • The device is shipped and supported with coordinator firmware only.

  • You are responsible for using third-party firmware, including router firmware.