BetaFPV ExpressLRS 2.4GHz Micro TX Module

  • $39.99
    Unit price per 


BetaFPV Micro RF TX module is based on the ExpressLRS project, an open-source RC link for RC applications. ExpressLRS aims to achieve the best possible link performance in both speeds, latency, and range. This makes ExpressLRS one of the fastest RC links available while still offering long-range performance.

BetaFPV ExpressLRS 2.4GHz TX Module


  • Item: ELRS Micro TX Module
  • Input voltage: 5V~12V
  • XT30 port: 5V~12V, recommend 2S(8.4V) battery, DO NOT support 3S(12.6V) or above 
  • USB port: Type-C
  • Packet Refresh Rate: 50Hz, 150Hz, 250Hz, 500Hz
  • RF Output Power:  25mW, 50mW, 250mW, 500mW
  • Frequency Band: 2.4GHz ISM

BetaFPV Micro RF TX module is compatible with radio transmitter which has the micro module bay (AKA JR/SLIM module bay, e.g. Frsky Taranis X9D, TBS Mambo). Below is the diagram for the 500mW version module.

BetaFPV ExpressLRS Micro TX Module

Note: Please assemble the antenna before power on. Otherwise, the PA chip in the Micro TX module will be damaged permanently. 

Note: Please DO NOT use 3S or above battery to power up the TX module via XT30 port. Otherwise, the power supply chip in the TX module will be damaged permanently.

Note: Please do not turn on all DIP switches at the same time. You can refer to the chart to know about DIP switches on/off based on different uses.

1-2 DIP switches
3-4 DIP switches 5-6-7 DIP switches
Update Firmware ON OFF OFF
Operating Mode OFF ON OFF
Update Backpack OFF OFF ON

1x BetaFPV ExpressLRS Micro TX Module 2.4GHz
1x BetaFPV Moxon Antenna
1x Micro TX Module User Manual
1x Spare USB Data Cable (Type-A to Type-C)

We Also Recommend