Shure UA8-638-698 1/2 Wave Omni Antenna UR4S UR4D

Ensure reliable wireless audio and monitoring coverage with the Shure UA8-638-698 1/2‑wave omnidirectional receiver antenna. Built for professional microphone systems, this Shure accessory stabilizes UHF reception across the 638–698 MHz band to minimize signal loss and interference during live events, broadcast, security and surveillance applications.

The UA8 connects via a BNC connector for fast, secure attachment to Axient, UHF‑R, ULX‑D, ULX, SLX and BLX4R receivers as well as PSM900 and PSM1000 transmitters. Its dipole omni pattern and selectable 0°, 45° and 90° orientations let engineers optimize RF coverage in crowded environments or rack-mounted setups, delivering steadier monitoring and clearer wireless audio for talent and operators.

Designed for integrators, A/V teams and security professionals, the UA8 combines durable construction with a compact profile to simplify deployment in touring rigs, houses of worship, broadcast trucks and surveillance monitoring centers. Add the Shure UA8-638-698 to your wireless toolkit to tighten signal stability and streamline system setup — order now or contact us for integration guidance.

• Improves UHF reception across 638–698 MHz for more reliable wireless audio in live events, security and surveillance monitoring
• Omnidirectional 1/2‑wave dipole provides consistent coverage with 0°, 45° and 90° positioning to reduce dropouts
• BNC connector ensures fast, secure integration with Shure UHF receivers and PSM transmitters
• Durable Shure construction built for pro microphone systems, touring rigs, and monitoring installations
• Compact form factor for easy rack, mobile unit, or surveillance system deployment