The Shure UA221 Passive Antenna Splitter is a high-quality RF accessory designed to optimize wireless system performance by allowing two receivers to share a single pair of antennas without active circuitry or additional power requirements. Built for convenience and reliability, this passive splitter preserves signal integrity while reducing the need for multiple antennas in crowded setups, making it ideal for installations or portable rigs where rack space and cabling efficiency are critical. Each UA221 kit includes two splitters and the necessary interconnect cables, enabling users to configure a streamlined, professional antenna distribution system with minimal complexity. Ruggedly constructed for durability in live, touring, or fixed applications, the UA221 ensures consistent reception and cleaner stage or studio setups by reducing antenna clutter while maintaining strong RF performance.