Active Omnidirectional Wide-Band UHF Antenna


The AKG RA4000B is an active omnidirectional wide-band UHF receiving antenna for use with wireless microphone systems. It operates in a frequency range from 500MHz to 865MHz, providing a covering angle of 360° and a total gain of 18dB. The RA4000 B/W has a built-in amplifier to compensate long cable runs. With dedicated antenna components, it works for cable lengths up to 300m. The RA4000 B/W is remotely powered through the antenna cable.

AKG RA4000B Features:

  • Integrated high-performance antenna booster: 17dB total gain for cable lengths up to 300m (1000 ft)
  • Remote powering via the antenna cable: eliminates any extra installation effort
  • Operates in an ultrawide frequency range: from 500 MHzto 865 MHz for universal use
  • Water-resistant construction: to withstand extreme weather conditions

AKG RA4000B Specifications:

  • General:
    • Switching bandwidth (from/to): 500 to 865 MHz
    • Antenna Gain: 17 dBi
    • Covering Angle: 360 Grad
  • Antenna Output:
    • Amount: 1
    • Type: BNC
    • Gender: Female
    • Note: RF output (50 Ohms)
    • Recommended Load Impedance: 50 Ohms
  • Power Interface: 
    • Type: BNC
    • Voltage: 8 to 8 V
  • Design: 
    • Body: Plastic
    • Finish: black
    • Dimensions (L x W): 220 x 38 mm
    • Net Weight: 65 g
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