Description

Improve wireless signal reception for UHF wireless systems with the Shure UA874WB, a wideband active directional antenna with a frequency range extending from 470 to 900 MHz. The antenna 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 1/2-wave omnidirectional antennas.

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

The UA874WB can be stand-mounted, suspended from the ceiling, or wall-mounted using the integrated swivel adapter bracket.

Features

  • Shure quality, ruggedness, and reliability
  • Compatible with Shure wireless receivers and antenna distribution systems that provide 10 to 15 VDC bias current
  • Four-position gain selector switch
  • Integrated threaded adapter mounts easily to microphone stands
  • Low-noise signal amplifier compensates for insertion loss in coaxial cable

Specifications

RF Frequency Range
470 to 900 MHz
Connector Type
BNC, Female
Impedance
50 Ohms
Reception Pattern
70°, 3 dB Beam Width
Third-order Overload Intercept Point
OIP3: >30 dBm
Antenna Gain
7.5 dBi, On Axis
Signal Gain
Switchable
Active: +12 dB, +6 dB (±1 dB)
Passive: 0 dB, -6 dB (±1 dB)
RF Overload LED Threshold
-5 dBm, RF Overload LED Does Not Operate for Passive Gain Settings
Power Requirements
10 to 15 VDC Bias from Coaxial Connection, 75 mA
Operating Temperature Range
0 to 145°F / -18 to 63°C
Storage Temperature Range
-20 to 165°F / -29 to 74°C
Dimensions
14.1 x 12.4 x 1.4″ / 359 x 316 x 36 mm
Weight
11.2 oz / 317 g
Packaging Info
Package Weight
2.27 lb
Box Dimensions (LxWxH)
18.2 x 14.5 x 3.7″

 

 

Additional information
Brand

Shure

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