Shure - UA870

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Contents

Model UA870 UHF Active Directional Antenna User Guide MODEL UA870 UHF ACTIVE DIRECTIONAL ANTENNA The Shure UA870 is an active UHF wireless directional anten na It features a log periodic dipole array When compared to an om nidirectional 1 2 wave antenna the cardioid pattern provided by the UA870 offers enhanced reception of the desired 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 that offers user selectable 3 or 10 dB gain The gain setting is indicated by two LEDs Remote 12 Vdc power for the antenna amplifier is provided by a Shure U4 or ULX Receiver or a Shure UA845 or UA844 Antenna Distribution System through the connecting coaxial cable T ...