The cord may be hidden by clothes and either run to a radio frequency transmitter kept in a pocket or clipped to a belt, or routed directly to the mixer or a recording device.
These miniature microphones are often supplied with a choice of push-on grills of differing lengths that provide gentle high-frequency boost by forming a resonant cavity.
For instance, a Dictaphone microphone could be suspended on a cord around the neck in order to retain some degree of freedom of movement while recording one's voice onto a wax cylinder in 1941.
[6] In 1954, Shure Brothers offered the larger 530 Slendyne, which could be handheld, mounted on a microphone stand, or worn around the neck on a "lavalier cord.
One such situation would be during a wide shot that forces the boom operator to keep a distance from the speaker that is not close enough to achieve a good signal-to-noise ratio with the microphone.
Transmitter pouches are held on with elastic straps and serve to keep the transmitter hidden in various places where clothing provides a non-revealing space, such as high around the waist in the space created at the spine just above the belt line, inside the thigh under a skirt or dress, about the ankles under a pant leg, or even on the inside of a boot.