Shure Brothers Inc. UA8-518-578 Half-wave Omni Antenna

Product Description

The SHURE BROTHERS INC. UA8-518-578 is a half-wave omnidirectional antenna designed for use with Shure wireless microphone receiver systems. A half-wave antenna provides balanced 360-degree RF reception, helping maintain a stable wireless signal in live sound, broadcast, and installed audio environments. This antenna is sold as a single unit and is intended for professional installation or replacement in systems where consistent RF performance is required. It is a direct-use accessory that connects to compatible Shure wireless receivers without additional signal conditioning hardware.

The UA8-518-578 is suited for applications where omnidirectional RF coverage is needed across a fixed zone. Typical install scenarios include stage performances, houses of worship, conference rooms, and broadcast setups using Shure UR4S+ and UR4 series wireless receiver systems. The antenna is appropriate for professional audio technicians and systems integrators working in the 518 to 578 MHz frequency range.

Key Features

• Half-wave omnidirectional design provides full 360-degree RF reception pattern
• Frequency range of 518 to 578 MHz matches the UA8-518-578 designation
• Compatible with Shure UR4S+ and UR4 series wireless receivers
• Single-unit quantity per package for targeted replacement or expansion use

Compatibility

Designed for use with Shure UR4S+ and UR4 series wireless receiver systems operating in the 518 to 578 MHz frequency band.

Installation Notes

Installation is typically performed by a licensed audio systems technician or professional integrator. Power down the wireless receiver system before connecting or disconnecting antenna components. Ensure the antenna connector is fully seated and secure before returning the system to operation. Follow all applicable local electrical and RF installation codes when deploying antennas in permanent or semi-permanent installations.