wi-fi definition networking
Either of two different incompatible radio-based LAN protocols
, namely 802.11b
(which speaks DSSS at 2.4GHz) and 802.11a
(which speaks OFDM
The term was invented by the marketing departments of wi-fi equipment manufacturers. It is, notionally, short for "wireless fidelity", on the analogy of hi-fi for "high fidelity" audio.