Shure UR4D Dual Wireless Studio Receiver - G1 Band - 470-530 MHz

Shure UR4D L3 Dual Wireless Receiver L3 638-698 MHz

Shure Professional Dual Wireless Receiver System w/ Power Cord - J5 578-638 MHz

Shure UR4D L3 638-698 MHz Dual Diversity UHF Wireless Microphone Receiver - ONE

Shure UR4D L3 Dual Wireless Receiver L3 638-698 MHz w/ Antennas

Shure UR4D Dual H4 Freq 518-578MHz Wireless Receiver #2892 (One)THS

Antenna Combiner for Sennheiser & shure Wireless In Ear Monitor System

Shure UR4D-UA Wireless Receiver Kit 782-806 MHz w/ U1-UA Bodypack, (2) Antenna