Shure UA221DB-RSMA The UA221DB-RSMA splits an incoming signal into two outgoing signals, allowing two GLXD4R+ receivers to share a single pair of antennas.

The UA221DB-RSMA splits an incoming antenna signal into two outgoing signals, so a pair of GLX-D Advanced rack mount receivers can share a single pair of antennas. It is designed for use with the range of 2.4 and 5.8 GHz omnidirectional and directional antennas, and each kit includes two splitters along with four coaxial cables for the connections.