0NachoMahma 10 years ago ReplyUpvote. I don't see anything that screams "I'm an antenna," but I'm no expert. The antenna _may_ be a trace on the PCB. . See that almost round thing ... square in the middle of the PCB? It has a splotch of red paint in the lower right corner. Don't mess with it (or anything else with paint on it like that) until you figure out what you're doing. You've been warned.