Amazon.com: Shure UA820F 1/2 Wave Omnidirectional Antenna for U4D and U4S in the J4 band, SLX in the J3 Band 572-596 MHz : Electronics
Shure UA600 Front Mount Antenna Kit For U4S, U4D, UC4, And ULX Single Receivers With Two Coaxial Cables And Two Bulkhead Adapters | Full Compass Systems