Description
The 3dBi Magnetic Base Antenna is a compact, omni-directional radiator precision-tuned for the 2400-2483 MHz ISM band. Unlike wideband cellular antennas, this model is specifically resonant at 2.4GHz, ensuring maximum efficiency and minimal signal loss for WiFi-based systems. The “sucker” magnetic base provides a high-strength attachment to any ferrous metal surface, allowing the antenna to be positioned for the best line-of-sight while the connected device remains tucked away in an enclosure or cabinet.
The antenna utilizes a flexible or fixed whip design (typically a 1/4 wave or 1/2 wave element) that relies on the metallic mounting surface to act as a ground plane, significantly improving radiation efficiency. It is equipped with a high-quality, low-loss coaxial pigtail—most commonly RG-174—and terminated with a standard SMA or RP-SMA connector. This antenna is a “workhorse” for extending the range of wireless routers, industrial PLCs, and robotic controllers where an internal antenna would be shielded by metal housings.
Key Technical Advantages
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Tuned 2.4GHz Resonance: Specifically optimized for the ISM band, providing superior VSWR and signal stability compared to wideband antennas for WiFi and Bluetooth.
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Non-Invasive Magnetic Mounting: The heavy-duty magnetic base allows for instant placement on vehicle roofs, rack cabinets, or metal desks without drilling holes.
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360° Omni-Directional Coverage: Ensures consistent signal reception from all directions, making it ideal for mobile assets or devices communicating with multiple nodes.
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Ground Plane Enhancement: Designed to leverage metal mounting surfaces to stabilize the radiation pattern and achieve a consistent 3dBi gain.
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Compact and Low-Profile: The small footprint and manageable height make it ideal for applications with overhead clearance constraints or discrete installation requirements.
Key Features
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Antenna Type: Omni-Directional Monopole / Dipole.
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Gain: 3dBi.
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Frequency Range: 2400 – 2483 MHz (WiFi / Bluetooth / ZigBee).
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Mounting: Magnetic Base (Sucker).
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Polarization: Vertical.
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Cable Type: RG-174 Low-Loss Coaxial.
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Connector: RP-SMA Male (Standard WiFi) or SMA Male.
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Common Applications: Industrial WiFi gateways, Bluetooth scanners, ZigBee mesh nodes, wireless IP cameras, and desktop PC WiFi extensions.
🔹 Applications:
- WiFi router and access point antenna
- IoT device connectivity (2.4GHz band)
- Wireless networking systems
- RF signal enhancement for routers
- Smart home and industrial IoT
- Short-range communication systems
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