General Description

The Shure UA221 is a bi-directional splitter/combiner which can be used to route the RF signal from a single antenna to two inputs, or to connect two antennas to a single input. The UA221 Antenna Splitter/Combiner Kit includes:

  • (2) Single-input, dual-output passive antenna splitters
  • (4) Coaxial cables
  • (2) BNC male-to-male adapters
  • (2) BNC bulkhead adapters

UA221 splitters are intended for use with Shure Wireless Systems. Use Shure 1/2 wave antennas and Shure 50 Ω low-loss antenna cables when configuring the wireless system.

Installing the UA221 Splitters

Use two UA221 Splitters and the supplied BNC male-to-male adapters and coaxial cables to split the RF signal from a single pair of antennas to the antenna inputs of two receivers.

Note: Antennas must be compatible with the operating frequency range of the receiver.

UA221 Connections


Frequency Range

UA221Z 1000–2000 MHz

Voltage Standing Wave Ratio (VSWR)



50 Ω


20 dB

Insertion Loss

2 dB (3 dBsplitter loss not included)


64 x 48 x 22 mm (H x W x D)


45.3 g (1.6oz.)


Furnished Accessories

Furnished Parts

0.5 m (2 ft.) Coaxial Antenna Cable (4) UA802
BNC Bulkhead Adapters, lockwasher, nut (2) 95A8647
BNC Male-to-Male Adapter (2) 95A8738