Shure UA845UWB Antenna Distribution System

The Shure Model UA845UWB Antenna Distribution System allows up to four receivers to use the same set of antennas. The cascade connectors allow connections to a fifth receiver or a second UA845UWB. There are also power connectors for distributing power to each receiver. RF signal amplification compensates for insertion loss from splitting the antenna input to multiple outputs. A button on the front panel switches between one of five frequency bands from 174 to 1805MHz.

Shure UA845UWB Features

• 5 selectable frequency ranges
• RF power LED indicators
• Use 2 antennas for up to 4 wireless receivers
• Compatible with Shure wireless systems operating in the same frequency range
• Connect an additional unit or a fifth wireless receiver, supported by the two 50 ohm BNC-antenna cascade ports
• Low noise and intermodulation distortion
• Insertion loss compensation
• Front-mounted antennas

• UA845UWB antenna distribution system1
• Locking DC power cords (ULXD4)4
• Non-locking DC power cords (QLXD4, SLX4, BLX4R)4
• 22" BNC cables10
• 6 ft BNC cables2
• Bulkhead adapters for front mounting antennas2
• AC daisy-chain cord1
• Rack mounting hardware1

• Selectable frequency ranges
  • Band 1: 174 to 216MHz
  • Band 2: 470 to 960MHz
  • Band 3: 1240 to 1260MHz
  • Band 4: 1492 to 1525MHz
  • Band 5: 1785 to 1805MHz
• Distributed output level (gain)
  • Receiver antenna input, output ports 1 to 4: -2dB to +2dB
  • Receiver antenna input, cascade output: -1dB to +1dB
• Output connector isolation>25dB, typical
• Third-order overload intercept point (OIP3)24dBm, typical
• Input-output AC line voltage, switched100 to 240V AC, 50/60Hz
• DC output15V DC, 4 connectors
• Output current2.5A maximum (combined total from all DC outputs)
• Impedance50Ω
• Connector typeBNC
• Power consumption V AC14.1 W per unit
• Operating temperature0°F to 145°F (-18°C to 63°C)
• Dimensions (HxWxD)1.75" x 19" x 11.6"
• Weight7.3 pounds (3.32 kg)