⚠️For educational purposes only — not a professional tool. Learn more
📡 RF Cable Loss Calculator
Calculate frequency-dependent cable attenuation for RF coaxial cables
📏 Input Parameters
📊 Results
Configure parameters and click Calculate
Results will appear here
🎯 Quick Reference
📏 Typical Loss @ 100ft, 450 MHz
RG-174~18 dB
RG-58~10 dB
RG-213~5 dB
LMR-400~2.5 dB
🔌 Connector Loss
7/16 DIN~0.05 dB
N-type~0.1 dB
SMA~0.15 dB
PL-259 (UHF)~0.3 dB
🧮 Rules of Thumb
2× length= 2× loss (dB)
4× frequency≈ 2× loss
3 dB loss= 50% power
10 dB loss= 10% power