Cable Assemblies, Data Cables, Adapters, Amplifiers, Antennas, Wireless Adapter and Custom Connectivity Products from L-com. L-com is a leading U.S. manufacturer of coaxial cable, data cables, coaxial connectors, adapters, Wifi booster, HyperLink antennas and more. L-com has experience designing custom products such as: cable assemblies, connectors, adapters, RF amplifiers, Wifi antennas and outdoor enclosures.