dual-frequency
adj 2
Definitions
adj
1
Able to operate on two different electrical frequencies.
Trials with three experimental dual-frequency mixed-traffic locomotives intended for use on the Saar's 15kV 16⅔-cycle (German) and 25kV 50-cycle (French) lines have proved so successful that the German Federal Railway is contemplating the construction of a fleet of 20 to 25 similar machines.
2
Able to receive and operate on two different radio frequencies.
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