Shure UA874US Active Directional Antenna with Gain Switch
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The Shure UA874US Active Directional Antenna with Gain Switch uses a log periodic dipole array to offer enhanced reception when directed toward the desired coverage area. An integrated amplifier and four gain settings compensate for varying degrees of coaxial cable signal loss. The UA874 can be mounted on a microphone stand, suspended from the ceiling or mounted to a wall using the integrated swivel adapter bracket.
Key Features
- Compatible with all Shure wireless receivers and antenna distribution systems that provide 12 V DC bias
- Four-position gain selector switch
- Low-noise signal amplifier that compensates for transmission loss in coaxial cable
- Integrated threaded adapter that mounts easily to microphones stands
- Legendary Shure build quality and reliability
Technical Specs
Connector Type
BNC, Female
Impedance
50 Ω
Power Requirements
10 to 15 V DC bias from coaxial connection, 75 mA
RF Frequency Range
470–698 MHz
Reception Pattern
3 dB Beam Width
70 degrees
Third-order Overload Intercept Point (OIP3)
>30 dBm
Antenna Gain
On Axis
7.5dBi
Signal Gain
±1 dB, Switchable
+12 dB
+6 dB
0 dB
−6 dB
RF Overload LED Threshold
−5 dBm
RF overload LED does not operate for passive gain settings
Dimensions
316 x 359 x 36 mm (H x W x D)
Operating Temperature Range
−18°C (0°F) to 63°C (145°F)
Storage Temperature Range
−29°C (-20°F) to 74°C (165°F)
| Condition | Brand New (New) Brand New items are sold by an authorized dealer or original builder and include all original packaging.Learn more |
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