Micro-bug

The robo-bug is a Cybertronian technology used for covert spying. It consists of a camera lens and an internal antenna capable of streaming live video across large distances. Ravage (G1) planted one on Bumblebee (Generation 1 cartoon continuity) in a simulated fight. The bug then proceeded to relay sensitive information about Wheeljack's new invention, which the Decepticons then turned against the Autobots. It was never seen again after that. The Immobilizer