Coax Loss Calculator
Calculate feed line signal loss for common coaxial cable types.
Excellent all-around feeder, widely used
Total Signal Loss
1.51 dB
Power Remaining
71%
Power Lost
29.0%
Loss at 145 MHz for 50 ft of LMR-400: 3.02 dB per 100 ft
Loss per 100 ft at Key Frequencies
10 MHz0.6 dB/100ft
50 MHz1.5 dB/100ft
150 MHz3.1 dB/100ft
300 MHz4.8 dB/100ft
450 MHz6.5 dB/100ft