Shure UA874 UHF Active Directional Antenna
Active directional UHF antenna with integrated amplifier for improved wireless signal reception.
Key Features:
- Compatible with all Shure wireless receivers and antenna distribution systems that provide 12V DC bias
- Four-position gain selector switch
- Low-noise signal amplifier
- Mounts easily to microphone stands
Product Code: 100260339
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The UA874 replaces the UA870. UA874 uses a log periodic dipole array to produce a cardioid pattern towards the desired coverage area with greater rejection of RF signals outside the coverage area when compared to standard ½ wave omnidirectional antennas. An integrated amplifier with four gain settings compensate 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.
- 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
- Signal Gain +/- 1dB: Switchable
- Active: +12 dB, +6 dB
- Passive: 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: 317g