Shure UA874WB Wideband Active Directional Antenna, 470-900MHz
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Shure UA874WB Wideband Active Directional Antenna with Low-Noise Signal Amplifier, 470-900MHz

SKU: SHUA874WB MFR: UA874WB
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Key Features

  • Experience superior signal strength with this wideband active directional antenna, perfect for reliable audio capture.
  • Enjoy robust durability and consistent performance across a broad 470-900MHz frequency range for diverse applications.
  • Achieve seamless compatibility with your existing Shure wireless systems, ensuring optimal audio quality.
  • Benefit from easy installation, allowing for quick setup and immediate enhancement of your microphone's reception.
  • Utilize its weather-resistant design for dependable outdoor use, providing clear audio in any environment.
  • Enhance your live events or studio recordings with improved signal gain, capturing every sound with precision.
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Temporarily On Backorder?Expected Availability: 01/2026
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Shure UA874WB Specifications

  • Frequency Range

    470-900MHz

  • Connector Type

    BNC, Female

  • Impedance

    50 Ohms

  • Reception Pattern

    70 Degree, 3 dB Beam Width

  • Third-order Overload Intercept Point

    OIP3: >30 dBm

  • Antenna Gain

    7.5 dBi, On Axis

  • Signal Gain

    Switchable:
    Active: +12 dB, +6 dB (+/-1 dB)
    Passive: 0 dB, -6 dB (+/-1 dB)

  • RF Overload LED Threshold

    -5 dBm, RF Overload LED Does Not Operate for Passive Gain Settings

  • Power Requirements

    10 to 15 VDC Bias from Coaxial Connection, 75 mA

  • Temperature Range

    Operating: 0 Degree F to 145 Degree F (-18 Degree C to 63 Degree C)
    Storage: -20 Degree F to 165 Degree F (-29 Degree C to 74 Degree C)

  • Dimensions (W x H x D)

    14.1 x 12.4 x 1.4" (359 x 316 x 36mm)

  • Weight

    11.2 oz (317g)

  • UPC Code

    042406256315

Designed For Use With:

  • VHF Distribution & Receivers

Need Help?

For any questions about compatibility with this product, call us at 800-223-2500 or you can email us any time.

About Shure UA874WB

The UA874 series of antennas delivers improved wireless signal reception for VHF and UHF wireless systems. Features include rejection of RF signals outside the coverage area and an integrated amplifier with four gain settings.

UA874WB uses a log periodic dipole array to produce a cardioid pattern towards the desired coverage area with greater rejection of RF signals outside the coverage area when compared to standard 1/2 wave omnidirectional antennas. An integrated amplifier with four gain settings compensate for varying degrees of coaxial cable signal loss.

The UA874WB can be stand-mounted, suspended from the ceiling, or wall-mounted using the included swivel adapter bracket.

Shure UA874WB Features

  • Enhances wireless signal reception for Shure receivers and antenna distribution
  • Wideband frequency range from 470 to 900 MHz
  • Four-position gain selector switch for precise control
  • Low-noise signal amplifier for clearer audio
  • Compensates for coaxial transmission loss
  • Durable, rugged construction for reliable performance
  • Easily mounts to microphone stands
  • Includes integrated swivel threaded adapter

Warranty Information

This product has a limited warranty of 24 months.

Compatibility

Designed for use with: VHF Distribution & Receivers

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Key Features

  • Experience superior signal strength with this wideband active directional antenna, perfect for reliable audio capture.
  • Enjoy robust durability and consistent performance across a broad 470-900MHz frequency range for diverse applications.
  • Achieve seamless compatibility with your existing Shure wireless systems, ensuring optimal audio quality.
  • Benefit from easy installation, allowing for quick setup and immediate enhancement of your microphone's reception.
  • Utilize its weather-resistant design for dependable outdoor use, providing clear audio in any environment.
  • Enhance your live events or studio recordings with improved signal gain, capturing every sound with precision.

What's in the box:

  • Shure UA874WB Wideband Active Directional Antenna
  • Shure 2 Year Limited Warranty