Shure UA864US
Wall and Ceiling Mountable Antenna


The UA864US antenna provides wideband RF coverage in a low-profile enclosure that mounts easily on a wall or ceiling. Works with ULX-D™ Digital, UHF-R®, and ULX® Wireless Systems, as well as Axient® Wireless Management Network.

A neutral white housing allows the antenna to blend into corporate or classroom settings, and can be painted to match interior color schemes. The 4-position selectable gain switch provides attenuation and boost settings to optimize the antenna performance for varying transmitter distances and cable run lengths.


  • Wideband UHF frequency range for compatibility with most receivers
  • Up to 100 degrees coverage pattern (3dB beam width, region dependent)
  • Attached BNC cable for surface or through-wall cable routing
  • Metal surface mounting capability


  • Connector Type: BNC, Female
  • Impedance: 50 Ohms
  • Power Requirements[1]: 10 to 15 V DC bias from coaxial connection, 75 mA
  • Reception Pattern (3 dB Beam Width at center frequency): 100 degrees
  • Third-order Overload Intercept Point (OIP3): >30 dBm
  • Antenna Gain (On Axis, 0 dB Gain Setting at center frequency): 2.5 dBi
  • Signal Gain: ±1 dB, Switchable
    • +10 dB
    • 0 dB
    • -10 dB
    • -20 dB
  • RF Overload LED Threshold: -15 dBm
  • Dimensions: 6.29"(H) x 6.29"(W) x 2"(D)
  • Weight: 487 g (17.2 oz.)
  • Operating Temperature Range: -7°C (20°F) to 49°C (120°F)
  • Storage Temperature Range: -29°C (-20°F) to 74°C (165°F)
  • [1]-20, -10, 0 dB settings do not require power

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