Antenna coupler, a device connected between a radio transmitter or receiver and its antenna
Output coupler, a partially reflective mirror used in lasers
Optocoupler, an electronic component that transfers electrical signals between two isolated circuits by using light
Other uses
Coupler (piping), also called a (joist) short length of pipe with two female threads
Coupler, a device used on a pipe organ or harpsichord to allow a player to play multiple divisions at once, by means of "coupling" a division to another at either sub, super, or octave pitches
Coupler, a tap valve, for controlling the release of beer out of a keg
This disambiguation page lists articles associated with the title Coupler. If an internal link led you here, you may wish to change the link to point directly to the intended article.