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Shure UA874 Active Directional Antenna

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  • Directs a Cardioid Pattern Toward Target
  • Four-Position Gain Selector Switch
  • Low-Noise Signal Amplifier
  • Makes Up for Coaxial Transmission Loss
  • Integrated Threaded Adapter
  • Mounts Easily to Microphone Stands
  • 470 - 698 MHz

The Shure UA874 Active Directional Antenna utilizes a long periodic dipole array for enhanced reception in the desired coverage area. Mount the UA874 on a microphone stand or to a wall using the swivel adapter bracket or suspend it from the ceiling. The integrated amplifier and four gain settings compensate for varying degrees of coaxial cable signal loss.

  • Compatible with all Shure wireless receivers and antenna distribution systems that provide 12 V DC bias
  • Four-position gain selector switch
  • Low-noise signal amplifier that compensates for transmission loss in coaxial cable
  • Integrated threaded adapter that mounts easily to microphones stands
In the Box

Shure UA874 Active Directional Antenna

2-Year Limited Warranty

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More Information
SKU 91197
Brands Shure
UPC 042406256308
Connector Type BNC (female)
Impedance 50 ohms
Reception Pattern 70° (3 dB beam width)
Overload Intercept Point >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 - 15 V DC bias from coaxial connection (75 mA)
Operating Temperature Range 0 to 145°F (-18 to 63°C)
Storage Temperature Range -20 to 165°F (-29 to 74°C)
Dimensions (WxHxD) 14.1 x 12.4 x 1.4" (359 x 316 x 36 mm)
Weight 11.2 oz (317 g)
Packaging Info
Package Weight 2.4 lb
Box Dimensions (LxWxH) 18.3 x 14.6 x 3.7"
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