Chameleon RFI Choke – Eliminate Noise

The Chameleon RFI Choke is engineered to eliminate or significantly reduce unwanted radio frequency interference (RFI) conducted along your coaxial cable—one of the most common causes of distorted signals and poor HF performance.

Built with five high-quality #31 ferrite sleeve beads, this choke effectively suppresses RFI across a wide frequency range of 1 MHz to 300 MHz. #31 mix ferrite is widely regarded as the most effective material for HF RFI mitigation.

Whether installed at the antenna feed point or directly behind your antenna tuner, this compact choke enhances the efficiency of your setup without adding weight or complexity.

Specifications:

• 30.5 cm length

• Power handling: 300W SSB

• Ferrite mix: #31, ideal for HF/VHF

• Durable 3:1 polyolefin heat shrink for weather and abrasion resistance (approx. 10”)

The Chameleon RFI Choke is a must-have for any operator using a portable or base HF antenna system who wants to ensure clean, stable, and reliable signal transmission.

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