"Servo-receiver"@en . . "A servo-receiver is a communications device worn within one's ear. Shaddam IV wore one in his right ear during the Battle of Arrakeen and received updates on the battle through the device."@en . "A servo-receiver is a communications device worn within one's ear. Shaddam IV wore one in his right ear during the Battle of Arrakeen and received updates on the battle through the device."@en . .