455 / | HD | TELECOMMUNICATIONS |
130 | DF | RECEIVER OR ANALOG MODULATED SIGNAL FREQUENCY CONVERTER {24} |
150.1 | DF | .~ Signal selection based on frequency (e.g., tuning) {13} |
161.1 | DF | .~.~ Frequency scanning {9} |
166.1 | DF | .~.~.~ With channel skipping selection {1} |
166.2 | .~.~.~.~ With priority channel selection |