The Shure UA400B 1/4 wave antenna helps you improve the range and reliability of your Shure SLX4, U4S, U4D, and UC4 receivers. It operates between 470 and 752 MHz, covering the UB frequency range.
- 1/4 wave antenna
- Improves receiver range & reliability
- Works with Shure SLX4, U4S, U4D, & UC4 receivers