carrier current


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carrier current

[′kar·ē·ər ‚kər·ənt]
(communications)
A higher-frequency alternating current superimposed on ordinary telephone, telegraph, and power-line frequencies for communication and control purposes.
References in periodicals archive ?
Carrier current systems transmit radio frequency (RF) energy over a power line to a receiver connected to the same power line.
Operating on an unlicensed basis under Part 15 of the FCC's rules, broadband over power line (BPL) systems are carrier current systems that, typically, have operated on frequencies below 2 MHz.
A sweep team can also use a carrier current detector, which is much more effective.
Using patented technology, Phonex Broadband's Wireless Jack for Modems is a carrier current phone extension system which turns any electrical outlet into a telephone jack, transmitting voice and data signals on 110-volt power lines.
6mW achieved by this free carrier current injection device represents, to our knowledge, a world record and the speed of 6ns is amongst the fastest ever reported.