Coaxial Cable Data

Coaxial Cable Loss in db per 100ft.

Frequency in Mhz
Coax Style
100 200 300 400 500 600 700 800 900 1000 O.D. Shield Notes
Andrews LDF6-50 (1-1/4")0.280.400.490.580.650.720.790.850.910.97
Andrews LDF5-50A (7/8")0.370.540.660.780.880.971.071.151.231.31
Andrews LDF4-50A (1/2")0.680.981.201.421.591.751.922.062.202.34
Andrews LDF2-50 (3/8")1.051.501.832.162.422.672.933.123.313.50
Andrews FSJ4-50B (1/2" Superflex)1.051.501.842.182.442.692.953.163.373.58
Belden 9913 (RG-8 type)1.301.802.252.703.003.303.603.904.204.500.405100.00%braid shield over foil shield
Belden 9914 (RG-8/U type)1.602.402.953.504.004.505.005.355.706.000.403100.00%braid shield over foil shield
Andrews FSJ1-50 (1/4" Superflex)1.852.683.303.924.404.895.375.786.186.59
Belden 8214 (RG-8/U type)1.802.703.454.204.735.275.806.256.707.100.40397.00%
Belden 8267 (RG-213/U type)1.902.703.404.104.905.706.507.057.608.000.40597.00%
Belden 8268 (RG-214/U type)1.902.703.404.104.905.706.507.057.608.000.42597.00%double silver shield
Belden 8242 (RG-9/U type)2.103.003.904.805.375.936.507.057.608.200.4298.00%silver inner double shield
Belden 9258 (RG-8/X type)3.705.406.708.009.0310.0711.1011.9512.8013.500.24295.00%
Belden 84142 (RG-142 type)3.905.606.908.209.1310.0711.0011.7512.5013.500.19598.00%brown FEP jacket - double silver shield
Belden 9273 (RG-223/U type)4.106.007.408.809.8710.9312.0012.9013.8014.500.21295.00%double silver shield
Belden 8240 (RG-58/U type)4.506.808.4010.0011.3312.6714.0015.0016.0017.000.19395.00%
Belden 8259 (RG-58A/U type)4.907.309.4011.5013.3315.1717.0018.5020.0021.500.19395.00%
Belden 8216 (RG-174/U type)8.4012.5015.7519.0021.6724.3327.0029.0031.0034.000.10190.00%

RG-389/U is similar to LDF4-50A but with higher power capacity
center cond. OD .25"
dielectric   OD .635"
overall      OD .875
dielectric   polyethylene spline
shielding    2, silvered copper
weight       0.366 lbs./ft.
voltage RMS  2,000
loss dB/100'        1.5 @ 400mhz,   2.5 @ 1 gHz