Shure PA421B Antenna Combiner

PA SKU # SHU PA421B MFR # PA421B UPC # 042406472098
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  • Product Highlights
  • Frequency 470-865 MHz
  • Clear RF Environment
  • Wideband Operation
  • Daisy Chain 2 Combiners
  • DC Power to IEM Transmitters
  • LED Indications
  • Improved Fan Design

Four-Channel Antenna Combiner, 470-865 MHz

Shure antenna combiners actively combine RF outputs from multiple wireless IEM transmitters to a single antenna, improving RF performance and conserving rack space.
  • Reduction of intermodulation artifacts for cleaner RF environment
  • Wideband operation (470-865 MHz)
  • Daisy-chain up to 2 combiners with the expansion port.
  • Provide DC power to compatible IEM transmitters.
  • LED indications of signal presence, signal overload and current draw
  • Improved fan design significantly improves thermal efficiency and lowers ambient noise
  • Dimensions: 43 x 401 x 365 mm (1.7 x 15.8 x 14.4 in.), H x W x D
  • Weight: PA421B, PA421BX: 4.3 kg (9.5 lbs)
  • Operating Temperature Range: -18¬∞C (0¬∞F) to 63¬∞C (145¬∞F)
  • Power Requirements: 100 to 240 V AC, 50-60 Hz
  • Current Drain: PA421B, PA421BX (referenced at 100 V AC): 1.09 A (109 VA)
  • Power Consumption: PA421B, PA421BX: 98 W max.
  • RF Input
  • Connector Type: BNC
  • Configuration: Active
  • Impedance: 50 Ω
  • RF Gain: 0 dB (¬±2 dB)
  • RF Input Normal Operating Range: up to +20 dBm max., protected up to +24 dBm
  • LED Indicator Minimum Detection Threshold to Activate Channel: 2.5 dBm
  • LED Indicator Overload Threshold: >24 dBm
  • Main Output
  • Connector Type: BNC
  • Impedance: 50 Ω
  • Expansion Port
  • Connector Type: BNC
  • Configuration: Passive
  • Impedance: 50 Ω
  • Insertion Loss: <4 dB
  • RF Expansion Port Normal Operating Range: 33 dBm (2 W)
  • DC Outputs
  • Output Voltage: 15 V DC
  • Output Current per output: 660 mA max.
  • Output Power per output: 9.9 W
  • LED Indicator Minimum Detection Threshold: 85 mA
  • LED Overcurrent Indicator: >660 mA
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