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Shure UA845UWB Five-Way Active Ultra Wide Band Antenna Distribution System
Expected June 30, 2025
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Five-Way Active Antenna Splitter and Power Distribution System for Axient Digital, UHF-R, QLX-D, ULX, ULX-D, SLX and BLX (BLX4R only) receivers.
The Shure Model UA845UWB Antenna Distribution System allows 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.
- Antenna A and B input overload LED indicators.
- Five-way RF signal output.
- Support Axient Digital, QLX-D, ULX, ULX-D, SLX, and BLX (BLX4R only) receivers.
- Front-mounting antenna hardware.
- Rack-mounting hardware.
- Internal power supply.
- 4 DC power feeds for receivers (15V, 2.5A max.)
- DC outputs for antenna bias (12V, 300mA max.)
- 174 - 216 MHz
- 470 - 960 MHz
- 1240 - 1260 MHz
- 1492 - 1525 MHz
- 1785 - 1805 MHz
Shure UA845UWB Specifications:
Carrier Frequency Range
| Band 1 | 174 to 216 MHz |
| Band 2 | 470 to 960 MHz |
| Band 3 | 1240 to 1260 MHz |
| Band 4 | 1492 to 1525 MHz |
| Band 5 | 1785 to 1805 MHz |
Distributed Output Level (Gain): 0 dB, typical
| Receiver Antenna Input, Output Ports1 to 4 | -2 dB to +2 dB |
| Receiver Antenna Input, Cascade Output | -1 dB to +1 dB |
Output Connector Isolation
>25 dB, typical
Third-order Overload Intercept Point (OIP3)
24 dBm, typical
Input-Output AC Line Voltage, Switched
100 to 240 V AC, 50/60 Hz
DC Output
15 V DC, 4 Connectors
Output Current
Combined total from all DC outputs
2.5 A, maximum
Impedance
50 Ω
Operating Temperature Range
-18°C (0°F) to 63°C (145°F)
Dimensions
44.5 x 482.6 x 295.3 mm H x W x D
(1.75 x 19 x 11.6in.)
Net Weight
3.32 kg (7.3 lbs)
Connector Type
BNC
Power Consumption V AC
Typical without powered antenna attached or receivers connected to the DC outputs
14.1 W per unit
Each UA845UWB Retail Box Includes:
(1) UA845UWB Antenna/Power Distribution System
(4) Locking DC power cords (ULXD4)
(4) Non-locking DC power cords (QLXD4, SLX4, BLX4R)
(10) 22 in. BNC cables
(2) 6 ft. BNC cables
(2) Bulkhead adapters for front mounting antennas
(1) AC daisy-chain cord
(1) AC power cord
(1) Set of Rack-mounting hardware