L carrier system

L carrier system

[′el ′kar·ē·ər ‚sis·təm]
(communications)
Telephone carrier system used on coaxial cable systems, and microwave (line of sight), and tropospheric scatter radio systems; it occupies a frequency band from 68 kilohertz to over 8 megahertz.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.