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Sennheiser AB 4-GW Inline antenna booster, +10 dB gain, BNC connectors, frequency range: GW (558 - 626 MHz) - 508539

Regular price $269.00 Sale price $229.00
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Sennheiser  |  SKU: 508539

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Product Overview

The Sennheiser AB 4-GW is an inline antenna booster providing +10 dB of gain for use with Sennheiser UHF wireless systems in the GW band (558–626 MHz). It compensates for coaxial cable signal loss, enabling antennas to be positioned farther from receivers in large venue and installed AV environments. Available at Creation Networks for professional audio engineers and AV integrators.

Product Description

The AB 4-GW inline antenna booster inserts directly into the coaxial BNC cable run between a remote antenna and a Sennheiser GW-band UHF receiver, providing +10 dB of gain to compensate for cable attenuation. This allows antennas to be positioned at considerable distances from the receiver rack—ideal for large theaters, houses of worship, arenas, and broadcast facilities where receivers must be located away from the stage or performance area. The booster is powered via DC voltage from compatible Sennheiser receivers supplied through the coaxial cable, eliminating the need for a separate power supply and simplifying cable management. BNC connectors on both input and output ensure compatibility with standard RF infrastructure. Multiple AB 4-GW units can be cascaded to extend runs further as needed. The GW band covers 558–626 MHz and is compatible with Sennheiser G3 and G4 GW-band receivers.

Key Features

  • +10 dB Gain (GW Band) — Compensates for coaxial cable loss over long antenna runs in the 558–626 MHz range.
  • DC-Powered via Coax — Powered from compatible Sennheiser receivers through the BNC cable; no separate PSU required.
  • BNC Connectors — Standard BNC in/out for straightforward inline installation.
  • GW Band Optimized — Tuned gain for the 558–626 MHz frequency range.
  • Cascadable — Multiple units can be used in series for extremely long runs.
  • Compatible with G3 and G4 GW-Band Systems — Works with all compatible Sennheiser GW-band UHF receivers.

Technical Specifications

Gain +10 dB
Frequency Range 558–626 MHz (GW band)
Connectors BNC (in/out)
Power DC via coaxial cable from receiver
Compatible Systems Sennheiser GW-band UHF wireless (G3/G4)
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