During the speeder bike chase in Return of the Jedi , Luke Skywaker instructs Leia to jam the communications of the Imperial Scout Troopers they are chasing/being chased by. The jammer seems to be activated by a simple switch, which strikes as odd. Is communications jamming such a common function of a speeder bike such that it needs a prominent, easy to reach control? The explanation I've come up with is that the Empire enforces control by preventing the general populace from spreading information quickly. Comms jammers are routinely installed in all Imperial vehicles and equipment, much like cameras and RFID technology come in a lot of electronic devices in our world. So, does communication jamming technology appear a lot in Star Wars – both movies and extended universe? Does the theory hold up? Answer The technology is extremely common in the Expanded Universe . Jamming technology is used, not just by the Rebels and Imperials but also by smugglers, in Timothy Zahn's Thrawn ...