Description
The 433MHz frequency provides excellent signal penetration through obstacles like foliage and buildings compared to higher frequencies like 2.4GHz. This Yagi antenna leverages that physical advantage with a multi-element design that concentrates energy in a narrow beamwidth (typically 40°–45°), significantly boosting the signal-to-noise ratio in the desired direction. It is a “passive” booster, meaning it does not require power but achieves its high gain through its physical geometry.
Constructed from heavy-duty aluminum or stainless steel, these antennas are built to survive permanent outdoor installation. Most models feature DC grounding for lightning protection and are equipped with an N-Type Female connector. They are commonly used in rural telemetry, amateur radio (70cm band), and drone tracking where maintaining a stable link over several kilometers is critical.
Key Technical Advantages
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High-Gain Directionality: The 12dBi gain provides a substantial range increase, often doubling or tripling the distance of standard stubby antennas.
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Optimized for 433MHz: Specifically tuned for the 70cm / ISM band, ensuring a low VSWR (typically ≤ 1.5:1) for maximum power transfer.
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Corrosion Resistance: Built with weatherproof materials to prevent oxidation and maintain electrical performance in coastal or rainy environments.
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Interference Rejection: The directional nature of the Yagi helps block unwanted signals coming from the sides and back, improving overall link reliability.
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Flexible Polarization: Can be mounted for either Vertical or Horizontal polarization to match the orientation of the transmitting device.
Key Features
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Frequency Range: 433 MHz (±5 MHz typical).
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Gain: 12 dBi.
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Connector Type: N-Type Female (Standard).
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Material: Passivated Aluminum or Stainless Steel.
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Mounting: U-bolt/Mast Mount (included).
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Applications: LoRaWAN Gateways, Wireless Security, and Remote Data Acquisition.
🔹 Applications:
- IoT and ISM band communication (433MHz)
- Remote monitoring systems
- RF control systems
- Industrial wireless communication
- Security and telemetry systems
- Long-range signal transmission
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