3000-3800MHz Directional Antenna RHCP for UAV & RC Systems 3.3G
RHCP=Right-Hand Circular Polarized
Table of Contents
Overview
This is a high-performance directional antenna engineered for FPV drone systems, UAV telemetry links, and high-frequency wireless communication operating in the 3000–3800 MHz band.
Featuring a helical design with Right-Hand Circular Polarization (RHCP), the antenna delivers stable signal transmission and reduced multipath interference—critical for dynamic environments such as drone flight or moving platforms. With a peak gain of up to 10.6 dBi and efficiency exceeding 85%, it provides strong signal coverage and reliable long-range performance.
Built with durable materials, RG141 low-loss cable, and a standard SMA connector, the antenna is easy to integrate into most FPV transmitters, receivers, and RF systems. Its compact size (Ø67 × 120 mm) and wide operating temperature range (-40°C to +80°C) make it suitable for demanding outdoor applications.
Features
High Gain Performance
Provides up to 10.6 dBi gain, ensuring strong signal transmission and improved communication range.
Wide Frequency Range
Designed to operate across 3000–3800 MHz, ideal for 3.3 GHz FPV systems and mid-band RF applications.
RHCP Circular Polarization
Right-Hand Circular Polarization helps reduce signal loss from reflections and interference, improving reliability for moving systems like drones.
Optimized RF Matching
Maintains VSWR ≤ 2.0 and return loss ≤ -10 dB, ensuring efficient impedance matching and minimal signal reflection.
Durable Construction
Built with high-quality materials and RG141 cable, capable of operating in extreme temperatures from -40°C to +80°C.
Standard SMA Connector
Equipped with a standard SMA interface for compatibility with most FPV transmitters, receivers, and RF equipment.
Compact and Lightweight
With dimensions of Ø67 × 120 mm, the antenna is compact enough for UAV mounting, ground stations, and mobile platforms.
Frequency Customization Available
If you require different operating frequencies, we can provide custom antenna tuning to match your transmitter, receiver, or specific wireless communication system. Contact us with your required frequency range and project requirements.
Specifications
Electrical Specifications
| Parameter | Value |
|---|---|
| Frequency Range | 3000 – 3800 MHz |
| Impedance | 50 Ω |
| Peak Gain | 10 dBi (Max 10.6 dBi @ 3400 MHz) |
| Polarization | RHCP (Right-Hand Circular Polarization) |
| Return Loss | ≤ -10 dB |
| VSWR | ≤ 2.0 |
| Connector | SMA |
Physical Specifications
| Parameter | Value |
|---|---|
| Antenna Color | Black |
| Dimensions | Ø67 × 120 mm |
| Cable Type | RG141 |
| Cable Color | Black |
| Operating Temperature | -40°C to +80°C |
| Storage Temperature | -45°C to +85°C |
Performance Data
| Frequency (MHz) | 3000.0 | 3100.0 | 3200.0 | 3300.0 | 3400.0 | 3500.0 | 3600.0 | 3700.0 | 3800.0 |
| Gain (dBi) | 9.80 | 9.90 | 10.12 | 10.36 | 10.60 | 10.55 | 10.50 | 10.40 | 10.45 |
|
Efficiency (%) |
82.50 |
83.60 |
83.80 |
84.60 |
85.80 |
85.30 |
84.80 |
84.20 |
83.90 |
VSWR Test
Radiation Pattern
Applications
FPV Drone Systems
Improves video transmission quality and range for racing drones, aerial photography UAVs, and long-range FPV systems operating in the 3.3 GHz band.
UAV Telemetry Links
Provides stable communication for drone telemetry, command, and data transmission between aircraft and ground stations.
Wireless Communication Systems
Suitable for remote control vehicles, robotics, and industrial wireless systems requiring reliable mid-band RF antennas.
RF Experimentation and Amateur Projects
Ideal for custom RF setups, experimental communication projects, and specialized 5G sub-band research applications.
Outdoor Monitoring and Industrial Use
Reliable in harsh outdoor environments, making it suitable for agricultural drones, inspection drones, and search-and-rescue operations.
FAQ
Q: Since this antenna is directional, how should I position it to face the drone’s transmission?
A: The top of the antenna is the receiving surface. To get the best signal, point the top of the antenna directly toward the drone. please refer to the diagram below for correct orientation of the antenna toward the drone transmission direction.
What frequency range does this antenna support?
The antenna operates within 3000–3800 MHz, with optimal performance around 3300–3400 MHz.
Is this antenna compatible with FPV transmitters?
Yes. The antenna uses a standard SMA connector and RHCP polarization, commonly used in FPV systems. Ensure your transmitter supports the 3.3 GHz frequency band.
What does RHCP mean?
RHCP stands for Right-Hand Circular Polarization. It helps reduce multipath interference and signal fading, especially in mobile applications such as drones.
Can the antenna be used outdoors?
Yes. The antenna is designed for outdoor environments and operates reliably between -40°C and +80°C.
How should the antenna be mounted?
Connect the SMA connector to your device and orient the antenna according to your system’s radiation pattern and signal direction for optimal performance.
What packaging is used for shipping?
Each antenna is individually protected with foam, packed in PE bags (50 units per bag) and shipped in cartons with custom labeling available for bulk orders.
Dimension and Weight
iVcan.com –
I have been using this RHCP directional antenna for my FPV drone and UAV telemetry setup, and it has exceeded my expectations. The signal strength is consistently strong, with minimal interference, even in complex flight environments. Installation was straightforward thanks to the standard SMA connector, and the compact design made mounting on my drone simple. The thermal build quality and durable materials ensure reliable performance outdoors, and the antenna’s right-hand circular polarization noticeably improves video transmission stability. Overall, it is a high-quality, professional-grade antenna that delivers excellent long-range communication and enhances my drone operations significantly.