May 23, 2012 · RG-8 (sometimes listed as RG-8/U, or RG-8U) and RG-8x are two very different types of coax. RG-8/U is the same diameter as RG-213 (.405"), while 8x is much smaller (.242"). RG-8/U is also much closer to 213 in terms of loss, while 8x …

Feb 6, 2016 · The LMR uses a closed cell foam dielectric where the RG-213 and 214 uses a solid plastic. The LMR will be much lighter and have lower losses. The only real minuses would be less physical toughness and somewhat more difficult to solder on the connectors - due to the foam.

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Feb 2, 2012 · If you can, use RG-213, 214, or LMR-400 coax for the transmission line, especially if the run is 50' or more. Alternatively, if you can't fit the larger coax then use RG-8X and install it so it's protected and you won't ever have to repair it.

Mar 23, 2008 · There is a more important reason for keeping your VHF and TV transmission cables separate. The characteristic impedance of the cable for your VHF is 50 ohms (RG-58, RG-8, RG-213, etc). The characteristic impedance of the cable for your TV system is 75 ohms (RG-59, RG-6, etc). Do not mix them.

Jul 18, 2016 · The cable itself appears to be something like RG-213 (taken from the radio manual as recommended low-loss spec for runs longer than 50'). No idea if that is what it is as the cable does not have the usual markings on the sheath, but it is about 1cm dia.