Pertaining to only one direction, e.g.: where all component parts are aligned in the same direction in space
Equally important is the class mailing list, which facilitates two-way communication at a distance. (By contrast, the web page is basically a unidirectional teacher-to-student communication.).
operating or moving or allowing movement in one direction only; "a unidirectional flow"; "a unidirectional antenna"; "a unidirectional approach to a problem
Describes a device which radiates or receives energy more efficiently from a single direction than from all other directions Back to top VHF In wireless microphones, refers to systems with operating frequencies below approximately 300 MHz In the U S , most such systems operate somewhere between roughly 170 MHz and 216 MHz, with a few lower frequencies available for certain specialized applications Other countries may require different operating frequencies