455 / | HD | TELECOMMUNICATIONS |
39 | DF | TRANSMITTER AND RECEIVER AT SEPARATE STATIONS {14} |
500 | DF | .~ Plural transmitters or receivers (i.e., more than two stations) {4} |
507 | DF | .~.~ Central station (e.g., master, etc.) {6} |
509 | .~.~.~ Channel allocation {5} | |
510 | DF | .~.~.~.~> Plural requests (e.g., retries) |
511 | DF | .~.~.~.~> Control channel/voice channel conversion |
512 | DF | .~.~.~.~> Based on priority |
513 | DF | .~.~.~.~> Ranking (e.g., based on signal strength, etc.) |
514 | DF | .~.~.~.~> Having storage detail |