Shure UA874US Active Directional Antenna (470-698 MHz)

PA SKU # SHU UA874US MFR # UA874US UPC # 042406256308
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  • Product Highlights
  • 4-Position Gain Switch
  • LED Overload Indicator
  • Low-Noise Amplifier
  • Integrated Adapter for Mic Stands
Frequency: 470-698 MHz 174-216 MHz 470-698 MHz 902-960 MHz

Active Directional Antenna with Gain Switch (470-698 MHz)

Experience improved wireless reception with the UA874. This UHF antenna uses a log periodic dipole array to produce a cardioid pattern toward the desired coverage area, achieving greater rejection of RF signals outside the area than standard 1/2 wave omnidirectional antennas.

An integrated amplifier with four gain settings compensates for varying degrees of coaxial cable signal loss.

The UA874 can be stand-mounted, suspended from the ceiling, or wall-mounted using the included swivel adapter bracket.
  • 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
  • Legendary Shure build quality and reliability
  • Connector Type: BNC, Female
  • Impedance: 50 Ohms
  • Power Requirements: 10 to 15 V DC bias from coaxial connection, 75 mA
  • Reception Pattern: 70 degrees
  • Third-order Intercept Point: >30 dBm
  • Antenna Gain (On Axis): 7.5 dBi
  • RF Signal Gain +/- 1dB: Switchable: +12 dB, +6 dB, 0 dB, -6 dB
  • RF Overload LED Threshold : -5 dBm
  • Dimensions: 316 mm x 359 mm x 36 mm (H x W x D)
  • Weight: 317 g (11.2 oz)
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