X²-Air 5.8 MK II Antenna Pair for Dominator HD Goggles



In stock


Our high efficiency X²-AIR MK II with direct RP-SMA connectors for installing on the Fat Shark dominator HD or Walksnail Avatar FPV goggles. Simply screw on the custom knurled RP-SMA connectors on the front ports* of the goggles. Great 13dBic gain combined with a healthy flyable beam width of 150deg, yield an amazing long range performances. Fill the remaining ports with the optional 120mm OCP and you got the antennas full house.

Custom made RP-SMA connectors, direct fit for your goggles.

As with all other components of X²-AIR antennas, the custom RP-SMA connector is made to the highest standards to fit your Walksnail avatar or Fat Shark dominator without adapter and make sure every bit of RF power is transferred from the X²-AIR. A knurled finish provide easy tightening and a quality look exclusive to TrueRC.


  • Circularly Polarized
  • Mount direct on Walksnail avatar or Fat Shark dominator
  • Sector type beam shape (widest on horizontal)
  • High 13 dBic for unsurpassed long range and signal penetration
  • Large SWR and axial ratio bandwidth, work even out of the 5.8GHz band
  • Super wide 150 degree Sector type beam (widest on horizontal)
  • Custom knurled RP-SMA connectors


  • Bandwidth: 5.1GHz-7.0GHz
  • Gain: 13 dBic
  • Polarization: LHCP or RHCP
  • Beam-width Horizontal*: 150deg
  • Beam-width Vertical*: 62deg
  • Hor. beam @-3dB**: 75deg.
  • Vert. beam @-3dB**: 34deg.
  • Connector: Custom knurled RP-SMA
  • Dimension: 72mm x 34mm x 15mm

*Coverage of individual antenna where reception is at least equivalent to an omni.
**Coverage of individual antenna where at least 70% of the max range is obtained.


  • 2x X²-air MKII Antennas

Customer Reviews

Based on 1 review
Awesome antennas!

Awesome antennas. I tried them on my goggles 2 and got a pretty decent performance bump. Haven't got to use them on my dominator he's yet but they're great.

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