Matek FCHUB-VTX (25-500mw w/ Race Band)

Save USD $3
MateksysSKU: Matek-Acc-FCHUB-VTX

Sale priceUSD $39.90 Regular priceUSD $42.90


This is a PDB + VTX 2-in-1 board for FPV racers, the layout is very similar to the Matek FCHUB-6S, but with a switchable 25mw to 500mw output VTX on the bottom, came with a lightweight MMCX 5.8G whip antenna and a MMCX to SMA Female extension for use of mushroom antenna. Compatible with BFCMS control via FC Uart_TX, that means you can change the channel and power output in the OSD video menu, you move the Transmitter stick to the option and change, how's that for convenient.

Specifications and Features
  • Input voltage: 6~27V(2~6S LiPo)
  • PDB: 4*30A (4*46A, 5 seconds)
  • Current Sensor: 184A (Scale 179)
  • BEC Output: 5V/1A for Camera or FC
  • VTX: 40 standard 5.8G channels, A/B/E/F/R Band
  • VTX Output Power: 25, 200, 500mW switchable
  • Traditional button+LED control of frequency and power
  • BFCMS (BFOSD & LUA Script) control via FC UART _TX
  • Video signal & TX5 are ready on FFC connected with MATEK FC F405-OSD
  • Silicon wires connection with other brands FC
  • Firmware upgradeable
  • VTX Power Consumption: 3.1W Max. @ 500mW
  • Video Input Impedance: 75 Ohm
  • Audio Subcarrier Frequency: 6.5 MHz
  • RF Connector: MMCX
  • Video Format: NTSC/PAL
  • Weight: 14g (w/ MMCX whip antenna)
  • Size: 36 x 45 x 7mm w/30.5mm mounting

Wiring diagram (Click photo to enlarge)

BFOSD configuration (Click to enlarge)
BF3.2.x Firmware
  • BFOSD 25mw””VTX 25mw
  • BFOSD 100mw””VTX 200mw
  • BFOSD 200mw””VTX 200mw
  • BFOSD 400mw””VTX 500mw
  • BFOSD 600mw””VTX 500mw
BF3.3 Firmware (Pls don’t choose 100 or 600 power level)
  • BFOSD 25mw””VTX 25mw
  • BFOSD 200mw””VTX 200mw
  • BFOSD 400mw””VTX 500mw

Frequency chart and power cycle diagram (Click to enlarge)

* Default: F4 5800, 500mW
* 38CH firmware is preloaded now, E4(5645) & E8(5945) are locked.

Frsky LUA Script (* change channel and power output using your X9D Plus Tx)

VTX Tool
BetaFlight Firmware
  • V1.4 (Sep.24, 2017)
    Fixed BFCMS control on softserial-tx
  • V1.5 (Nov.15, 2017)
    Fixed button command bug (LEDs are turned OFF when button is pressed)
  • V1.9 (Mar.26, 2018)
    • Fixed power cycle issue when 100 or 600 power level is selected with BF3.3 CMS control
    • Reduce the waiting time to 5 seconds before the new setting is saved.

  • FCHUB-VTX board
  • MMCX to SMA Female, RG178 cable 9cm
  • MMCX 5.8G whip antenna, RG178 8cm
  • Rubycon ZLH 35V/470uF Low ESR capacitor

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