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} |
179.1 | DF | .~.~ Channel or station selection {8} |
185.1 | DF | .~.~.~ With channel information storage {1} |
186.1 | .~.~.~.~ With memory control or programming {1} | |
186.2 | DF | .~.~.~.~.~> Having a keyboard |