This is the SpiroNet 8dBi Mini Patch antenna from ImmersionRC. These have been custom designed for the FPV market and are ideal for mounting on goggles headsets, such as the Fatshark goggle range. With a wider beam of 8dBi, this doubles the range of the standard 13dBi SpiroNet Omni.

Features:

• Precision manufactured with very tight tolerances, each antenna is 100% tested on a professional antenna tester (Rhode & Schwartz) to ensure maximum range and performance
• SMA male connector compatible with all FatShark/ImmersionRC 5.8GHz products sold to date
• You can choose between right-hand circular polarised (RHCP) or left-hand circular polarised (LHCP)
• 5.8GHz ISM Band
• 8dBi gain
• Beam width: -3dB at +/- 45 degrees (H + V) (90 degree total)
• F/B Ratio >356dB
• VSWR < 1:1.35 at 5800MHz
• Impedance: 50 ohms
• Weight: 7g