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Shure

UA870A

Please note:&nbsp;UA870 is replaced by UA874

The Shure UA870 is an active UHF wireless directional antenna. It features a log&nbsp;periodic dipole array. When compared to an omnidirectional 1/2-wave antenna, the&nbsp;cardioid pattern provided by the UA870 offers enhanced reception of the desired&nbsp;coverage area and greater rejection of RF signals outside the coverage area.

To compensate for coaxial cable signal loss, the UA870 has an on-board amplifier&nbsp;that offers user selectable 3 or 10 dB gain. The gain setting is indicated by two&nbsp;LEDs. Remote 12 Vdc power for the antenna amplifi er is provided by a Shure UR4 or&nbsp;ULX Receiver or a Shure UA845 or UA844 Antenna Distribution System through the&nbsp;connecting coaxial cable.

The UA870 can be mounted on a microphone stand, suspended from the ceiling,&nbsp;or mounted to a wall using the integrated swivel adapter bracket. The UA870 is&nbsp;weather resistant for use outdoors. For best diversity performance, use two UA870&nbsp;antennas.

RF Frequency Range

<ul>
	<li>UA870A: 782-810 MHz</li>
	<li>UA870KK: 838-862 MHz</li>
	<li>UA870MB: 800-830 MHz</li>
	<li>UA870MC: 774-782 MHz</li>
	<li>UA870UB: 692-716 MHz</li>
	<li>UA870WB: 470-900 MHz</li>
	<li>UA870USTV: 470-698 MHz</li>
	<li>UA870X: 944-952 MHz</li>
</ul>

UHF Active Directional Antenna            

UA870