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Cable Loss
Times Microwave has a terrific calculator for the most common rf coaxial cables; see the
As a quick reference, here are loss numbers for some popular cables
Loss DB/ft | Loss DB/ft | Loss DB/ft | Loss DB/ft | |
1GHZ | 3GHZ | 6GHZ | 18GHZ | |
RG174 | 0.274 db | x | x | x |
RG214 | 0.08 db | x | x | x |
RG223 | 0.134 db | x | x | x |
RG316 | 0.261 db | x | x | x |
LMR195 | 0.118 db | 0.232 db | 0.337 db | x |
LMR200 | 0.116 db | 0.205 db | 0.297 db | x |
LMR240 | 0.088 db | 0.158 db | 0.23 db | x |
LMR400 | 0.046 db | 0.083 db | 0.123 db | x |
LMR600 | 0.026 db | 055 db | 0.083 db | x |
Tflex405 (086) | 0.212 db | 0.382 db | 0.562 db | 1.06 db |
Tflex402 (141) | 0.117 db | 0.218 db | 0.329 db | 0.661 db |