Terminology (3) Simplex transmission -Signals are transmitted in only one direction e.g. Television · Half duplex -Signals can be transmitted in either direction, but only one way at a time e.g. police radio Full duplex -Both stations may transmit simultaneously e.g. telephone 88 Terminology (3) • Simplex transmission —Signals are transmitted in only one direction • e.g. Television • Half duplex —Signals can be transmitted in either direction, but only one way at a time. • e.g. police radio • Full duplex —Both stations may transmit simultaneously. • e.g. telephone