The ACASOM 4.5–6.5GHz panel antenna with 21dBi gain is designed for applications that require strong directional signal performance, stable long-range transmission, and clear video or data links. It is a practical solution for FPV systems, UAV telemetry, ground stations, and other wireless platforms operating across a wide frequency range.
The 4500–6500MHz operating range covers popular frequencies such as 5.3GHz, 5.8GHz, and 5.9GHz, making the antenna suitable for analog and digital FPV systems, HD video links, CPE equipment, and other compatible RF links. Radiation efficiency of ≥90% helps convert more input power into useful signal output.
Its super flat panel structure is built on a fiberglass substrate measuring 200x200x7mm. This design makes installation easy on tripods, masts, and vehicle-mounted platforms. With a weight of 197.89g, the antenna is suitable for both stationary and mobile setups where compact size and reliable directional performance matter.
Technical Specifications:
| Parameter | Specification |
| Frequency Range | 4500–6500MHz |
| Peak Gain | 21dBi |
| Typical Gain Across Band | 17–21dBi |
| VSWR | <2.0 |
| Radiation Efficiency | ≥90% |
| Polarization | Horizontal |
| Beamwidth | ~11° x ~12° |
| Front-to-Back Ratio | >14dB |
| Input Impedance | 50Ω |
| Power Handling | 30W |
| Connector | SMA-Female |
| Dimensions | 200x200x7mm |
| Weight | 197.89g |
Performance Data:
| Frequency | Gain | VSWR |
| 4500MHz | 16.78dBi | 1.84 |
| 5300MHz | 18.58dBi | 1.23 |
| 5800MHz | ~19.2dBi | <1.2 |
| 6500MHz | 21.22dBi | 1.12 |
Why Choose This Module:
- 21dBi gain helps improve directional signal strength over long distances.
- The 4.5–6.5GHz range supports multiple compatible systems without changing antennas.
- High ≥90% radiation efficiency improves useful RF performance.
- The super flat shape is practical for tripods, masts, and receive stations.
- Low weight makes it convenient for portable and field deployments.
- A stable beam pattern helps deliver cleaner and more predictable signal performance.
Applications:
- Long-range FPV flights with stable video transmission.
- UAV ground stations for signal reception and telemetry.
- Professional drone platforms for mapping, monitoring, and inspection.
- Wireless HD video transmission systems.
- CPE equipment and directional wireless bridges.
- Mobile and fixed communication systems in the 4.5–6.5GHz range.
- Integration with antenna tracking systems.
Package Includes:
1 x 4.5–6.5GHz 21dBi panel antenna
Mounting hardware may vary by configuration. Please check product images or contact us for details.
Important Notes:
- For best performance, the antenna should be aligned accurately toward the signal source.
- A stable bracket or tripod is recommended for consistent directional performance.
- The antenna must be connected to the transmitter or receiver before RF equipment is powered on.
FAQ:
- Is this antenna suitable for 5.8GHz FPV systems?
Yes, the 4500–6500MHz range includes the popular 5.8GHz FPV band and supports compatible analog and digital systems. - Can it be used for UAV ground stations?
Yes, it is well suited for ground station use, especially when range and stable reception are important. - What is the practical advantage of 21dBi gain?
It helps deliver a stronger directional signal and improves link quality at longer distances. - Is it suitable for CPE and wireless bridge setups?
Yes, the antenna can be integrated into directional wireless systems where a stable data link is required. - What connector does this model use?
It uses an SMA-Female connector. - Is it easy to mount?
Yes, the flat structure and low weight make it practical for tripods, masts, and other support systems. - Why is this model better than standard antennas for long-range use?
It offers higher gain, better directionality, and more consistent performance for demanding long-distance links.
The ACASOM 4.5–6.5GHz 21dBi panel antenna is built for applications where long-range directionality, stable signal delivery, and reliable video or data transmission are critical. It is a strong choice for FPV systems, UAV telemetry, ground stations, and other wireless platforms working across a wide frequency span. With 21dBi gain, it provides a more focused and stable signal path than standard antenna options.
Its 4500–6500MHz coverage includes popular frequencies such as 5.3GHz, 5.8GHz, and 5.9GHz, making it useful for analog and digital FPV systems, HD video links, CPE equipment, and directional wireless bridges. The ≥90% radiation efficiency helps convert input power into effective RF output, improving practical link performance in long-distance setups.
The antenna uses a super flat fiberglass-based panel design with dimensions of 200x200x7mm. This structure is practical for installation on tripods, masts, ground stations, and vehicle-mounted platforms. At 197.89g, it remains light enough for portable systems while still offering the mechanical simplicity needed for fixed infrastructure.
If you need a directional antenna for long-range FPV, drone telemetry, wireless video, or CPE deployment, the ACASOM 4.5–6.5GHz 21dBi model is a solid option. It combines wide frequency coverage, high gain, compact size, and proven performance data in one professional solution.
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