不同型号同轴电缆,在不同的频率下的损耗值。
1/2普通馈线 Frequency (MHz) 0.5 1 1.5 2 10 20 30 50 88 100 108 150 174 200 300 400 450 500 512 600 700 800 824 894 960 1000 1250 1500 1700 1800 2000 2100 2200 2300 2500 2700 3000 3400 3700 4000 5000 6000 8000 8800 Attenuatio Attenuatio Average n (dB/100 n (dB/100 Power m) ft) (kW) 0.149 0.045 40.000 0.211 0.064 36.110 0.259 0.079 29.460 0.299 0.091 25.500 0.672 0.205 11.350 0.954 0.291 7.990 1.172 0.357 6.510 1.521 0.463 5.020 2.031 0.619 3.760 2.169 0.661 3.520 2.256 0.688 3.380 2.673 0.815 2.850 2.887 0.880 2.640 3.103 0.946 2.460 3.835 1.169 1.990 4.462 1.360 1.710 4.749 1.447 1.610 5.021 1.530 1.520 5.085 1.550 1.500 5.533 1.686 1.380 6.009 1.831 1.270 6.456 1.968 1.180 6.560 1.999 1.160 6.855 2.089 1.110 7.124 2.171 1.070 7.284 2.220 1.050 8.226 2.507 0.930 9.093 2.771 0.840 9.744 2.970 0.780 10.058 3.066 0.760 10.666 3.251 0.720 10.961 3.341 0.700 11.251 3.429 0.680 11.535 3.516 0.660 12.090 3.685 0.630 12.627 3.849 0.600 13.407 4.086 0.570 14.401 4.389 0.530 15.118 4.608 0.500 15.815 4.820 0.480 18.010 5.489 0.420 20.055 6.113 0.380 23.826 7.262 0.320 25.244 7.694 0.300
7/8普通馈线 Frequency (MHz) 0.5 1 1.5 2 10 20 30 50 88 100 108 150 174 200 300 400 450 500 512 600 700 800 824 894 960 1000 1250 1500 1700 1800 2000 2100 2200 2300 2500 2700 3000 3400 3700 4000 5000 Attenuatio n (dB/100 m) 0.076 0.108 0.132 0.153 0.343 0.487 0.599 0.777 1.039 1.11 1.155 1.369 1.479 1.591 1.968 2.292 2.44 2.581 2.614 2.846 3.093 3.325 3.379 3.533 3.673 3.756 4.247 4.7 5.04 5.205 5.523 5.678 5.83 5.979 6.27 6.553 6.963 7.487 7.866 8.234 9.396