Overview
TrueRC X²-Air 5.8 MKII & Core 5.8 is a 5.8GHz FPV antenna combo for Fat Shark Dominator HD and Walksnail Avatar FPV goggles, using direct-fit custom knurled RP-SMA connectors for front-port installation. The combo pairs two high-gain X²-Air sector antennas (13 dBic, 150deg horizontal beam-width) with two 120mm Core 5.8 antennas to populate the remaining ports.
Key Features
- Circularly polarized antenna set
- Direct mount on Walksnail Avatar or Fat Shark Dominator goggles (custom knurled RP-SMA connectors)
- Sector-type beam shape (widest on horizontal)
- X²-Air: 13 dBic gain with 150deg horizontal beam-width
- X²-Air: large SWR and axial ratio bandwidth (specified bandwidth 5.1GHz-7.0GHz)
Specifications
X²-Air 5.8 MK II
| 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.
Core 5.8 (120mm)
| Gain | 1.9dBic |
| Polarization | RHCP or LHCP |
| Cross-Polar Rejection | -10 to -20dB |
| Bandwidth | 5.5GHz-6.1GHz |
| Radiation Efficiency | 98% |
| SWR | <=1.2:1 |
| Weight | Vary with connector/cable option |
| Dimensions (head) | 16.9mm dia. x 13.1mm height |
| Length | 120mm |
| Cable | TrueRC RG316S/RG402/RG178 coax |
| Connector | Reinforced True-SMA (RP-SMA) |
What’s Included
- 2x X²-Air MKII Antennas
- 2x 120mm Core 5.8 Antennas
For compatibility questions (LHCP/RHCP selection, connector fitment, or installation guidance), contact support@rcdrone.top or visit https://rcdrone.top/.
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