Shure UA874 User Guide

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Shure UA874 Antenna Specification

The Shure UA874 is a sophisticated active directional antenna designed to enhance wireless microphone system performance by improving reception quality and range. This unit operates within a frequency range of 470 to 698 MHz, making it versatile and suitable for various applications in different environments. It incorporates a log periodic dipole array that enables its directional characteristics, providing a more focused reception pattern. The antenna features an integrated amplifier with a switchable gain of 3, 10, and 20 dB, allowing users to compensate for signal loss over long cable runs and optimize signal-to-noise ratios. The amplifier can be powered via the coaxial cable, utilizing an external bias-T or a receiver with antenna power. Its durable design includes a rugged, lightweight housing that ensures reliability and easy placement during setups. The UA874 can be mounted on a microphone stand or suspended from the ceiling using the integrated 5/8"-27 thread adapter, offering flexible deployment options to suit different venue requirements. The antenna is compatible with Shure wireless systems and other brands, provided they operate within the same frequency range, ensuring broad usability. Additionally, the UA874 features a red LED indicator that displays the operational status and power supply status, offering users a quick visual confirmation of functionality. Its compact and efficient design makes it an ideal choice for broadcast, live event, and corporate AV applications where reliable wireless audio transmission is critical.

Shure UA874 Antenna F.A.Q.

How can I mount the Shure UA874 Antenna for optimal performance?

For optimal performance, mount the UA874 Antenna as high as possible and with a clear line of sight to the transmitter. Avoid obstructions and reflective surfaces that could cause signal interference.

What is the best way to connect the UA874 Antenna to a wireless receiver?

Connect the UA874 Antenna to the antenna input of the wireless receiver using a low-loss coaxial cable. Ensure the connectors are properly seated to prevent signal loss.

How do I troubleshoot if the UA874 Antenna is not picking up signals?

Check the antenna's connections and ensure it is correctly powered if applicable. Verify that the antenna is within the operating frequency range of the wireless system.

What maintenance is required for the UA874 Antenna to ensure longevity?

Regularly inspect the antenna for physical damage and clean it using a soft, dry cloth. Store it in a protective case when not in use to avoid damage.

Can the UA874 Antenna be used outdoors?

Yes, the UA874 Antenna can be used outdoors, but it should be protected from extreme weather conditions. Consider using weatherproof enclosures for prolonged outdoor use.

How do I adjust the gain on the UA874 Antenna?

The UA874 features a switchable gain setting. Adjust the gain switch on the back of the antenna to match the required level for your application.

What should I do if the UA874 Antenna is causing interference with other equipment?

Ensure that the antenna is operating within its designated frequency range and relocate it if necessary. Also, check for potential sources of interference and adjust placement accordingly.

How can I verify the operating frequency range of the UA874 Antenna?

Refer to the antenna's specification sheet or user manual, which provides detailed information on the supported frequency ranges.

What are the key specifications to consider when setting up the UA874 Antenna?

Key specifications include the frequency range, gain settings, and the type of connectors used. Ensure compatibility with your wireless system for optimal performance.

Is it possible to use multiple UA874 Antennas in a single setup?

Yes, multiple UA874 Antennas can be used to improve coverage, especially in large venues. Use an antenna distribution system for the best results.