I'm going to be in the market for 500' of LMR400 in the next few weeks I was wondering if anyone has dealt with these two companies and their LMR-400 Equivalents.. http://stores.ebay.com/RF-Cables-Inc http://support.jefatech.com/specsheets/JEFA-LowLoss-Specifications.pdf 73 Rick N2AMG http://www.n2amg.com