Shure manual Model UA844SWB Antenna Distribution System

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MODEL UA844SWB ANTENNA DISTRIBUTION SYSTEM

The Shure Model UA844SWB is a UHF antenna distribution sys- tem that allows the expansion of wireless microphone systems by splitting one pair of antennas to multiple receivers. It also amplifies RF signals to compensate for insertion loss that results from split- ting signal power to multiple outputs. A single UA844SWB system can support up to four wireless receivers. A maximum of five UA844SWB systems may be used in a two-tiered configuration. Refer to the illustration on page 11.

SYSTEM COMPONENTS

Front-mounting antenna hardware

Rack-mounting hardware

External power supply

Antenna cables for receiver connections

DC power cables for receiver connections

SPECIFICATIONS

Carrier Frequency Range

470-952 MHz

Distributed RF Output Level (Gain)

-0.5 to 3 dB, 1 dB typical, from antenna input (unused ports ter- minated with 50 Ω)

Output Connector Isolation

30 dB, typical

Third Order Intercept Point (3 OIP)

21 dBm, typical

DC Input Voltage

14 to 18 Vdc

DC Output Voltage

14 to 18 Vdc, 4 connectors

Maximun Current Supply from DC Outputs 1.5 Amps

DC Antenna Voltage 12 Vdc

Impedance

50Ω

RF Input/Output Antenna Connector Type

BNC

Operating Temperature Range

-7°C to 49° C (20° to 120° F)

Overall Dimensions

44.5mm H x 482.6 mm W x 171.5 mm D (1.75 x 19 x 6.75 in.)

Net Weight

1.62Kg (3.6 lbs)

Certification

UA844SWB: Authorized under the Declaration of Conformity provision of FCC Part 15. Certified under Industry Canada to RSS-123 (IC: 616A-UA844SWB). Conforms to European ETSI standards EN 301 489, Parts 1 and 9. Meets the essential re- quirements of the European R&TTE Directive 99/5/EC; eligible to carry the CE marking.

PS45US: Conforms to safety standard IEC 60065.

PS45E: Conforms to safety standard IEC 60065.

PS45UK: Conforms to safety standard IEC 60065.

OPTIONAL ACCESSORIES

Line Amplifier (470-900 MHz)

UA830WB

Line Amplifier (470-698 MHz)

UA830USTV

Line Amplifier (944-952 MHz)

UA830X

Powered Directional Antenna (470-900 MHz)

UA870WB

Powered Directional Antenna (470-698 (MHz)

UA870USTV

Powered Directional Antenna (944-952 MHz)

UA870X

1/2 Wave Antenna (774-862 MHz)

UA820A

1/2 Wave Antenna (690-746 MHz)

UA820B

1/2 Wave Antenna (662-698 MHz)

UA820C

1/2 Wave Antenna (554-590 MHz)

UA820D

1/2 Wave Antenna (746-784 MHz)

UA820E

1/2 Wave Antenna (470-530 MHz)

UA820G

1/2 Wave Antenna (518-578 MHz)

UA820H

1/2 Wave Antenna (638-698 MHz)

UA820L

1/2 Wave Antenna (944-952 MHz)

UA820X

2 ft. BNC-BNC Cable

UA802

6 ft. BNC-BNC Cable

UA806

25 ft. BNC-BNC Cable

UA825

50 ft. BNC-BNC Cable

UA850

100 ft. BNC-BNC Cable

UA8100

REPLACEMENT PARTS

Hardware Kit

90VL1371

Bulkhead Adapters

95A8647

Power Cables for SLX Receivers

95A8373

Power Cables for ULX Receivers

95A8420

Power Supply

PS45US

Power Supply

PS45E

Power Supply

PS45UK

LICENSING INFORMATION

Note that a ministerial license to operate this equipment may be re- quired in certain areas. Consult your national authority for possible requirements.

Changes or modifications not expressly approved by Shure Incorpo- rated could void your authority to operate the equipment. Licensing of Shure wireless microphone equipment is the user's responsibility, and licensability depends on the user's classification and applica- tion, and on the selected frequency. Shure strongly urges the user to contact the appropriate telecommunications authority concerning proper licensing, and before choosing and ordering frequencies.

IMPORTANT: THIS RADIO EQUIPMENT IS INTENDED FOR USE IN PROFESSIONAL ENTERTAINMENT (CLASS I) AND SIMILAR APPLICATIONS.

NOTE: THIS EQUIPMENT MAY BE CAPABLE OF OPERATING ON SOME FREQUENCIES NOT AUTHORIZED IN YOUR REGION. PLEASE CONTACT YOUR NATIONAL AUTHORITY TO OBTAIN INFORMATION ON AUTHORIZED FREQUENCIES FOR WIRELESS MICROPHONE PRODUCTS IN YOUR REGION.

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Contents Model UA844SWB User Guide Model UA844SWB Antenna Distribution System Vdc EIN SLX ULX UA844 EU Declaration of Conformity
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UA844SWB specifications

The Shure UA844SWB is a versatile antenna distribution system designed for wireless audio applications. This device stands out for its ability to enhance radio frequency (RF) performance, making it an essential tool for professionals in the audio industry. Whether used in live performances, broadcasting, or installed sound systems, the UA844SWB ensures reliable wireless communication.

One of the key features of the UA844SWB is its ability to distribute RF signals from two transmitting antennas to up to four receivers simultaneously. This is achieved through its robust construction and advanced signal processing technology. The UA844SWB minimizes the typical issues associated with RF distribution, such as signal loss and degradation, ensuring optimal performance across multiple channels.

The system operates in the UHF frequency range, which is known for its clear and stable signal transmission. Moreover, the UA844SWB supports a wide variety of microphone systems and other wireless devices, providing the flexibility needed for complex audio setups. The device is equipped with front panel indicators that display the operational status of each channel, allowing for quick troubleshooting and real-time monitoring.

Another standout feature of the UA844SWB is its impressive gain structure. With a gain capability of up to 12 dB, it can amplify weak RF signals, ensuring that even the most distant devices maintain a strong connection. The built-in low-noise amplifiers enhance the clarity of audio transmission, significantly reducing any potential for interference or distortion.

In terms of design, the UA844SWB is both rack-mountable and compact, making it easy to incorporate into various setups. The unit includes multiple RF connections, ensuring compatibility with a broad range of antennas and receivers. Additionally, it features a loop-out connector that allows for cascading multiple UA844SWB units, facilitating expansive wireless systems.

The integration of Shure’s patented Active Antenna technology further improves the unit's performance, providing high-quality signal reception and allowing for easy scaling of wireless systems. Furthermore, the UA844SWB is engineered to meet the rigorous demands of professional audio environments, making it a reliable choice for sound engineers and performers alike.

Overall, the Shure UA844SWB is a cutting-edge antenna distribution system that combines advanced technology with user-friendly features. Its ability to deliver high-quality, reliable audio signals in diverse environments has made it a favorite among audio professionals worldwide.