The RK7 guitar tie pin microphone from "Chuck Versus the Imported Hard Salami"

Miniature Audio Transmitters are often used by John Casey and Sarah Walker to listen in to what is happening to Chuck. They can be concealed in many things. Some notable ones include:

Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.