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The FPV Antenna RHCP / LHCP 6.0–8.0 GHz, 3.5 dBi, SMA is a professional-grade omnidirectional radiator designed for stable video signal transmission in the non-standard frequency range of 6.0 to 8.0 GHz. The use of circular polarization (right-hand or left-hand selectable) significantly minimizes the impact of multipath propagation, which is a critical factor when flying in built-up areas or terrain with complex topography where the signal constantly bounces off obstacles.
Every antenna undergoes mandatory individual testing on a Vector Network Analyzer (VNA), confirming a stable VSWR reading of no more than 1.25 across the entire stated range. A flexible 12.2-centimeter pigtail allows for convenient placement of the antenna on the video transmitter or receiver, effectively absorbing mechanical vibrations and reducing stress on the SMA connector during intensive operation of the aircraft.
Technical Specifications
| Parameter | Value |
| Operating Range | 6.0–8.0 GHz |
| Polarization | RHCP (right-hand) or LHCP (left-hand) |
| Gain | 3.5 dBi |
| VSWR | ≤ 1.25 (typical value 1.09–1.18) |
| Impedance | 50 Ohms |
| Connector | SMA |
| Pigtail Length | 12.2 cm |
| Radiation Pattern | Omnidirectional (Omni) |
| Quality Control | Individual testing on VNA |
Commentary / Comments
The main advantage of this model lies in shifting the operating band toward 6.0–8.0 GHz, enabling operators to build communication links on less congested frequencies, thereby ensuring more robust video reception. The 3.5 dBi gain rating shapes an optimal radiation pattern that guarantees uniform coverage around the drone without the blind spots frequently encountered in excessively high-gain antennas.
The availability of both right-hand (RHCP) and left-hand (LHCP) polarization versions allows for flexible configuration of multi-channel communication systems, avoiding mutual interference between multiple aircraft operating in close proximity. The built-in flexible pigtail greatly simplifies antenna mounting on complex frame geometries and reliably protects the equipment connector from damage in the event of a crash or collision.
Target Audience / Suitable For
Military FPV drone operators executing missions in environments with dense electronic warfare activity gain a reliable tool for transitioning to non-standard communication frequencies. The 6.0–8.0 GHz operating range helps bypass the most congested segments of the spectrum, maintaining a clear picture on the screen or in the goggles. The low VSWR guarantees maximum transmitter efficiency, preventing overheating and power loss during extended sorties. The flexible pigtail saves the SMA connector from breaking off during hard landings, extending the lifespan of expensive equipment in harsh field conditions.
Technical reconnaissance specialists deploying complex relay systems and ground control stations can use these antennas to establish secure video transmission channels. The ability to choose between RHCP and LHCP polarization makes it possible to separate the communication links of multiple crews, eliminating the risk of mutual video signal suppression. This becomes a decisive factor during simultaneous assaults or coordinated reconnaissance from multiple directions. Stable characteristics, verified on a vector analyzer, provide complete confidence in calculated communication ranges when planning complex operations.
Engineers and technicians assembling custom unmanned platforms for special tasks receive a component with guaranteed radio frequency parameters. The individual testing of each antenna prevents defective parts from making it into the finished system, which significantly saves time during the testing phase of the assembled aircraft. The universal SMA connector and optimized pigtail length ensure hassle-free integration with most modern video transmitters. A reliable connection and resilient materials guarantee the antenna's operational viability regardless of temperature fluctuations and humidity on location.