Shure UA874US Active Directional UHF Antenna with Integrated Amplifier

Cut through the Noise - The Shure UA874US Active Directional UHF Antenna With Integrated Amplifier

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.

• Low-noise signal amplifier compensates for insertion loss in coaxial cable
• Compatible with Shure wireless receivers and antenna distribution systems that provide 10–15 V DC bias
• Integrated threaded adapter mounts easily to microphone stands
• Four-position gain selector switch
• Shure quality, ruggedness, and reliability

SPECIFICATIONS

• Connector Type: BNC, Female
• Impedance: 50 Ω
• Power Requirements: 10 to 15 V DC bias from coaxial connection, 75 mA
• Frequency Range: 470 – 698 MHz
• Reception Pattern: 3 dB Beam Width, 70 degrees
• Third-order Overload Intercept Point (OIP3): >30 dBm
• Antenna Gain: On Axis, 7.5 dBi
• Signal Gain: ±1 dB, Switchable, +12 dB, +6 dB, 0 dB, −6 dB
• RF Overload LED Threshold: −5 dBm
• Operating Temperature Range: −18°C (0°F) to 63°C (145°F)
• Storage Temperature Range: -29°C (-20°F) to 74°C (165°F)

We are Musictoner Musictoner

Since 1958, Chuck Levin’s Musictoner has been the trusted destination for musicians and audio professionals across Maryland, Virginia, and Washington, D.C. Family-owned and operated, our legendary music store delivers Everything in Music®—from instruments and recording gear to pro audio, rentals, and repair services.

Our team of musicians and industry experts lives and breathes gear, helping you build the perfect setup for your next performance, studio session, or installation. As an authorized dealer for top brands, we also offer our award-winning CHUCKSCLUSIVE line—exclusive, limited-edition instruments and collaborations recognized with the NAMM Top 100 Dealer Innovation Award for redefining what a music retail experience can be.

Chuck Levin’s isn’t just a store—it’s a community built by players, engineers, and creators who share a lifelong passion for sound. Stop by our legendary Wheaton, MD showroom or contact us anytime for expert advice, product questions, or the best possible deal on your next piece of gear.