When most people think of electronics, they think of audiovisual devices like cameras, computers, TVs, and recorders. Spy electronics also encompass all of things. The main difference is that while all of the above items are mainly used for entertainment purposes, spy electronics are meant to be used in surveillance. These electronics can be very technologically advanced, and some of them can be so well disguised that others do not even realize that they are being watched or listened to.

Spy electronics are necessary to make the whole surveillance profession work. After all, if you do not have recording equipment, or equipment to recover the recordings, then it is no good. You cannot perform effective surveillance. Additionally, electronics in places like command centers and control rooms are what coordinate the efforts of individual pieces of electronic equipment and they also direct the surveillance efforts. In today