3dBi Whip Antenna 315MHz for Remote Control & Alarm Systems

Description

The 3dBi Whip Antenna (315MHz) is a high-efficiency communication solution designed for dedicated short-range wireless systems. Tuned precisely to the 315MHz frequency, it is optimized for the common band used by automotive keyless entry, home security sensors, and wireless industrial controls. While standard wideband antennas often suffer from poor performance at lower frequencies, this model’s narrow-band tuning ensures maximum resonance and signal clarity for critical trigger-based systems.

The antenna features a flexible whip design that allows for easy integration into control panels, alarm hubs, or handheld transmitters. It is constructed with high-quality internal conductors protected by a ruggedized, UV-stabilized radome, ensuring consistent performance even in demanding environments. Its omni-directional radiation pattern provides broad 360-degree coverage, ensuring that signals from sensors or remotes are captured reliably regardless of the transmitter’s orientation.

Key Technical Advantages

• Precision 315MHz Tuning: Engineered specifically for the 315MHz band to provide superior resonance and signal integrity compared to generic wideband antennas.

• Reliable 3dBi Gain: Offers a stable signal boost that extends the effective operating range of remote controls and wireless security sensors.

• 360° Omni-Directional Pattern: Delivers complete horizontal coverage, which is essential for security hubs that must receive signals from multiple sensors located throughout a property.

• Optimized Sensitivity: High-quality matching circuits minimize signal loss, ensuring that even low-power battery-operated transmitters can maintain a strong link.

• Durable and Compact: The lightweight, rugged design is built to withstand mechanical stress, making it ideal for both stationary alarm panels and mobile control units.

Key Features

• Center Frequency: 315 MHz.

• Gain: 3 dBi.

• Radiation Pattern: Omni-Directional.

• Polarization: Vertical.

• Impedance: 50 Ohm (Standard).

• Connector Type: SMA Male (Standard) / BNC (Optional).

• Common Application: Garage door openers, car alarm systems, home security sensors, wireless remote controls, and RKE (Remote Keyless Entry) systems.

Technical Summary