3 In 1 Shortwave Common Mode Filter For Ham Radio With RFI Choke And RF Ground High Frequency Compensation 1000W Rating Low Insertion Loss 0.3 dB And SWR Under 1.2 For Clearer Signals
✔️ 1000W PEP, 1.8-54MHz, 50Ω, 50dB CM attenuation and RF grounding
The 3-in-1 device combines common-mode filtering, RF grounding, and high-frequency compensation into a single rugged unit. It’s ideal for indoor radio setups and sheltered outdoor installations where RF noise and static can degrade signal quality.
✅ Frequency range: 1.8-54MHz, 50Ω impedance
✅ Power rating: 1000W PEP (SSB); 600W CW; 300W Digital
✅ Common mode attenuation: 50dB
✅ Insertion loss: 0.3 dB at 28MHz
✅ Waterproof/splash-proof housing for sheltered outdoor use
✅ Functions: RF choke, RF ground, BPF; UV resistant, black
💡 What is a shortwave common-mode filter used for in ham radio setups? - It reduces RF interference by suppressing common-mode currents on feedlines - It provides RF grounding to stabilize antenna patterns and protect gear - It helps maintain signal integrity in noisy environments
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