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Shure UA874 User Manual

Shure UA874
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©2014 Shure Incorporated
27B16709 (Rev. 3)
Printed in U.S.A.
UA874
Active Directional Antenna
Antenne directionnelle active
Aktive Richtantenne
Antena direccional activa
Antenna direttiva attiva
Actieve richtantenne
Активная направленная антенна
Antena Direcional Ativa
Antena Terarah Aktif
ブ指向性
액티브 지향성 안테나
有源指向性天线
有源指向性天線

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Shure UA874 Specifications

General IconGeneral
TypeActive Directional Antenna
ConnectorBNC
Impedance50 ohms
PolarizationLinear
Power Requirements10 to 15 V DC
Frequency Range470–900 MHz

Summary

Active Directional Antenna

General Description

Overview of the UA874's log periodic dipole array, amplifier, and mounting options.

Features

Highlights key attributes like low-noise amplifier, compatibility, threaded adapter, and gain selector.

Installation

Instructions for connecting the antenna, power requirements, and directing it towards the coverage area.

Cable Maintenance

Guidelines for maintaining antenna cables to ensure optimal performance and prevent damage.

Interface

Interface Controls and Indicators

Explains the gain switch, RF Overload LED, Gain Mode LED, and BNC connector.

Antenna Placement and Gain Settings

Antenna Placement Guidelines

Advice on positioning antennas for optimal signal, including line-of-sight and separation.

Setting Gain Explained

Guidance on using gain settings to compensate for cable loss, not for boosting performance.

Recommended Gain Settings Chart

A chart to help select the appropriate gain setting based on cable type and length.

Specifications and Certifications

Technical Specifications

Details on connector type, impedance, power, frequency range, reception pattern, and dimensions.

Certifications and Compliance

Information regarding European directives compliance and CE marking eligibility.

Optional Accessories

Lists available accessories for the UA874, such as a protective zipper pouch.

Typical Polar Patterns

Dimensions

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