Shure UA8-518-578 1/2 Wave Omnidirectional Receiver Antenna, (518-578 MHz)

The Shure UA8‑518‑578 1/2 Wave Omnidirectional Receiver Antenna is a professional RF accessory designed to enhance wireless receiver performance across the 518–578 MHz frequency range. The half‑wave, omnidirectional design provides full‑circle RF coverage for stable, reliable reception in live sound, broadcast, theater, houses of worship, corporate AV, and other professional wireless environments.

Built with rugged construction and precision tuning, the UA8‑518‑578 antenna improves signal stability, maximizes range, and reduces dropouts — helping ensure that your wireless microphones and bodypacks perform consistently night after night.

Shure UA8-518-578 Key Features

 Omnidirectional RF Coverage

• Picks up RF signals from 360° around the receiving antenna

• Ideal for situations where transmitters move or are scattered around a venue

 Wide 518–578 MHz Frequency Range

• Perfect for wireless systems operating in this band

• Compatible with many Shure receivers and other professional RF gear operating in the same range

 1/2 Wave Antenna Design

• Improved gain and sensitivity compared to 1/4‑wave antennas

• Enhanced range and stable reception with minimal signal loss

 Pro‑Grade Construction

• Durable materials built for touring and installed systems

• Reliable performance in high‑RF‑demand environments

Benefits

• Improves RF reception and range for wireless mic systems

• Omnidirectional pattern ensures coverage from all directions

• Reduces dropouts and interference when properly placed

• Durable build for regular use in pro AV and live settings

Applications

• Live concert sound reinforcement

• House of worship wireless installs

• Theater and stage productions

• Corporate AV and conference systems

• Broadcast and video production audio systems

• Touring and rental audio setups

Technical Specifications

• Type: 1/2 Wave Omnidirectional Receiver Antenna

• Frequency Range: 518–578 MHz

• Polar Pattern: Omnidirectional (360° coverage)

• Connector: (e.g., BNC or SMA — include the exact connector type used)

• Gain: (If available, include dBi or similar)

• Impedance: Standard 50 Ω

• Mounting: Compatible with most antenna mounting kits and rack installations