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Wolfwhoop Q4-a 5.8GHz VTX with MMCX Antenna Connector Switchable FPV Transmitter

It’s similar to the Q4 but have solder pads, MIC and MMCX/UFL connector.
One cool feature about this VTX is that you can mount it on top of your mini
FC/PDB stack thanks to the 20x20mm mounting pattern.
OSD configuration using FC Uart
Built-in BEC: 5V camera @under 300mA
One button frequency and power setup
25/20/400/600mW power switchable

 Solder pads

  • More convenient to distribute
  • Port connector: Solder Pads
  • Dimensions: 26(W)X26(D)mm, 20X20mm(hole)
  • Weight: 5.4g(excluding antenna)
  • Kit contents: 1XVTX, 1XMMCX pigtail


  • Input voltage: 7-24V
  • Extra supply: Smart audio, MMCX/UFL connector, MIC
  • Built-in BEC: 5V camera @under 300mA
  • Output power:
  • 25mW:100mA @5V, 200mW:200mA @5V
  • 400mW:250mA @5V, 600mW:320mA @5V
  • Antenna connector: MMCX/UFL


5645/5925/5945(E4/E7/E8) are not available sue to FCC regulation.

Selecting 5645/5925/5945(E4/E7/E8) will be invalid action.

37 channels are all above 5650 and below 5925MHz, which are legal to use in the USA with an amateur radio license.

This equipment is being sold under FCC’s amateur radio rules. Operators must require amateur radio license to operator legally in the US.

Use of amateur equipment without a license or use of equipment on restricted frequencies could subject the operator to significant fines by the FCC.

By purchasing this equipment, the user is agreeing that they understand these responsibilities and will operate the equipment legally. More information related to ARL, please go to http://www.arrl.org/getting-licensed.