SKU: DRFC-2081
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TrueRC X-AIR 5.8 Mk. II RHCP SMA Antenna

₹3,239.00 (Inclusive of all taxes)
Out of Stock

The TrueRC X-AIR 5.8 Mk. II is a compact, high-gain directional patch antenna designed for long-range FPV video reception. Featuring RHCP polarization and an SMA male connector, it provides a wide 120° beamwidth for stable signal acquisition across the 5.1–6.7 GHz band, making it ideal for mounting directly onto FPV goggles.

Features

  • High-Gain Directional Patch: Delivers 9.5–10.5 dBic gain for extended range and clear video reception.
  • Wide 120° Beamwidth: Provides stable signal coverage without requiring constant antenna repositioning.
  • RHCP Polarization & SMA Male Connector: Ensures compatibility with standard FPV video receivers and goggles.
  • Compact Aerospace PCB Construction: Redesigned to be approximately 75% smaller than the original for a lightweight, goggle-friendly profile.
  • Broad 5.1–6.7 GHz Bandwidth: Covers all common 5.8 GHz FPV channels and adjacent bands for versatile use.

Out of stock

Description

The TrueRC X-AIR 5.8 Mk. II represents a significant evolution in directional FPV antenna design. Utilizing aerospace-grade PCB materials and advanced computer-aided engineering, this antenna achieves a substantial reduction in physical size while maintaining and improving upon the performance characteristics of its predecessor. Its compact form factor allows for direct, unobtrusive mounting on FPV goggles, streamlining the pilot’s setup.

Engineered for long-range clarity, the antenna features a high axial ratio and an optimized beam pattern to ensure consistent signal purity and stable video transmission during extended flights. The wide 120° beamwidth, with a -3dB point at 68°, provides a generous reception cone, reducing the need for precise pointing and allowing pilots to focus on flight. This combination of compact design, durable construction, and reliable performance makes it a critical upgrade for pilots seeking to maximize their video link integrity.

Key Features

  • Compact Directional Design: Redesigned footprint is approximately 75% smaller than the original X-AIR model, offering high performance in a minimal, lightweight package.
  • High-Performance PCB Construction: Built with aerospace-grade PCB materials for enhanced durability, signal integrity, and consistent performance in varied environmental conditions.
  • Optimized for Long-Range FPV: The high gain and wide beamwidth provide a stable video link at distance, minimizing signal dropouts and video breakup.
  • Goggle-Mount Ready: Lightweight and low-profile design is specifically engineered for convenient, secure attachment to FPV goggle straps or mounts.
  • Broad Frequency Coverage: Supports the full 5.1–6.7 GHz spectrum, ensuring compatibility with all standard 5.8 GHz FPV systems and providing headroom for adjacent frequencies.

Applications

  • Long-Range FPV Exploration: Ideal for fixed-wing, quadcopter, or wing builds where extended video range and signal clarity are paramount.
  • Goggle-Mounted Diversity Reception: Perfect as a directional element in a diversity setup on FPV goggles, paired with an omnidirectional antenna.
  • Racing and Freestyle FPV: Provides a stable, high-gain video link for pilots flying in areas with potential signal interference or obstacles.
  • Cinematic Drone Piloting: Ensures a reliable video feed for pilots capturing footage at medium to long distances from the ground station.

Technical Specifications

Item TypeFPV Directional Patch Antenna
Frequency Bandwidth5.1–6.7 GHz
Antenna Gain9.5–10.5 dBic
PolarizationRHCP (Right-Hand Circular Polarization)
Connector TypeSMA Male
Beamwidth120°
Beamwidth @ -3dB68°
Length32 mm
Width32 mm
Weight10 g
Operating Voltage2.7–5.5 V

Frequently Asked Questions

What is the advantage of the Mk. II's 120° beamwidth?

The wide 120° beamwidth provides a broad reception cone, making it easier to maintain a strong video signal without needing to constantly point the antenna directly at your drone. This is especially beneficial for long-range flying where precise antenna aiming can be difficult, offering more forgiving and stable video reception.

Is this antenna compatible with my FPV goggles that have an SMA female port?

Yes, the TrueRC X-AIR Mk. II features an SMA male connector, which is designed to screw directly into the standard SMA female ports found on most FPV video receivers and goggles. Ensure your device uses an SMA interface and not an RP-SMA type for proper compatibility.

Can I use this antenna for both 5.8 GHz analog and digital HD FPV systems?

Yes, the antenna's broad bandwidth of 5.1–6.7 GHz covers the entire 5.8 GHz spectrum used by analog VTXs, as well as the frequencies used by digital HD systems like DJI FPV, Walksnail, and HDZero. Its RHCP polarization is the standard for most high-performance FPV video links.

How should I mount this antenna to my FPV goggles?

The antenna is lightweight and compact, designed for direct mounting on FPV goggle straps or dedicated antenna mounts. Many pilots use adhesive-backed hook-and-loop (Velcro) patches or simple zip-ties to secure it to the top or side of their goggles, orienting it generally towards their flying area.

Package Includes

  • 1 x TrueRC X-AIR 5.8 Mk. II RHCP SMA Antenna

Additional Information

Weight 0.01 kg
Dimensions 3.2 × 3.2 cm