SKU: DRFC-2085
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TrueRC X-AIR 5.8 Mk. II (45deg) - 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 5.8GHz FPV systems, featuring a 45-degree integrated adapter for optimal goggle mounting and RHCP polarization for improved signal clarity and multipath rejection.

Features

  • High-gain directional patch antenna with 9.5–10.5 dBic gain for extended range and signal penetration.
  • Compact Mk. II redesign measures only 32x32mm, offering a 75% smaller footprint than previous versions.
  • Wide 120-degree beamwidth provides stable reception without requiring constant head tracking.
  • Integrated 45-degree SMA male connector ensures an ideal fit on most FPV goggles and receivers.
  • Optimized axial ratio and RHCP polarization deliver cleaner video feed with reduced multipath interference.

Out of stock

Description

The TrueRC X-AIR 5.8 Mk. II antenna represents a significant evolution in compact, high-performance FPV reception hardware. Utilizing a sophisticated crosshair-style phased array design on an aerospace-grade PCB, it achieves a high gain of 9.5–10.5 dBic across the full 5.1–6.7 GHz bandwidth, making it compatible with all common analog and digital HD FPV systems, including DJI, Walksnail, and HDZero. This gain profile is engineered to maximize signal-to-noise ratio for clearer video at the edge of your radio link.

Its primary structural advantage is the dramatically reduced physical footprint. The Mk. II version condenses the radiating elements into a 32x32mm package, making it one of the smallest directional antennas available without sacrificing performance. The integrated 45-degree SMA male connector is specifically angled to provide a low-profile, ergonomic fit on popular FPV goggles, reducing strain on the connector and cable. The wide 120-degree beamwidth, coupled with excellent axial ratio performance, ensures a stable and consistent video feed, effectively rejecting reflected signals for a cleaner image in complex RF environments.

Key Features

  • Advanced Phased Array Design: Crosshair-style elements on a durable PCB provide high gain and excellent signal purity across the entire 5.8GHz band.
  • Ultra-Compact Form Factor: The Mk. II redesign is approximately 75% smaller than its predecessor, enabling easier integration into tight goggle and ground station builds.
  • Wide-Angle Reception: A 120-degree beamwidth offers a generous reception cone, reducing the need for precise antenna tracking during aggressive flight maneuvers.
  • Optimized for Signal Integrity: High axial ratio and Right-Hand Circular Polarization (RHCP) work in tandem to minimize multipath interference and signal fading.
  • Integrated Angled Connector: The built-in 45-degree SMA male connector ensures a secure, low-profile connection that protects the solder joint from mechanical stress.
  • Aerospace-Grade Construction: Manufactured with high-quality PCB materials and precise etching for consistent electrical performance and long-term durability.

Applications

  • Primary or diversity receiving antenna for FPV goggles (e.g., FatShark, Skyzone, Orqa) to enhance long-range analog or digital HD video reception.
  • Ground station antenna for fixed-wing or long-range multirotor FPV platforms, providing directional gain when paired with an omni antenna.
  • Compact directional solution for cinewhoop and micro drone builds where space on the goggles is extremely limited.
  • Upgrade antenna for digital HD systems (DJI Goggles, Walksnail VRX) operating in congested 5.8GHz environments to improve signal clarity.

Technical Specifications

Item TypeFPV Directional Patch Antenna
Frequency Bandwidth5.1 – 6.7 GHz
Antenna Gain9.5 – 10.5 dBic
PolarizationRHCP (Right-Hand Circular)
Connector TypeSMA Male (45-degree integrated)
Beamwidth120 degrees
3dB Beamwidth68 degrees
Length32 mm
Width32 mm
Weight13 g

Frequently Asked Questions

What is the advantage of the 45-degree integrated connector on this antenna?

The integrated 45-degree SMA male connector is designed for ergonomic mounting on FPV goggles. It provides a low-profile fit that reduces cable strain and stress on the goggle's PCB socket, improving durability while maintaining an optimal antenna orientation for signal reception during flight.

Is this antenna compatible with digital HD systems like DJI FPV or Walksnail?

Yes, the TrueRC X-AIR Mk. II operates across the full 5.1–6.7 GHz bandwidth, which encompasses the transmission frequencies used by DJI, Walksnail, HDZero, and standard analog VTXs. Its high gain and RHCP polarization can significantly improve video link range and stability on any 5.8GHz system.

How does the wide 120-degree beamwidth benefit FPV flying?

A wide beamwidth provides a larger effective reception cone. This means you have more freedom to move your head or your ground station without experiencing sudden signal dropouts, which is especially useful during aggressive freestyle or racing maneuvers where maintaining perfect antenna alignment is difficult.

Package Includes

  • 1 x TrueRC X-AIR 5.8 Mk. II (45deg) RHCP SMA Antenna

Additional Information

Weight 0.013 kg
Dimensions 3.2 × 3.2 cm