Grumpy Old Geeks Products Tello drone Product Tello drone 2 mentions in 1 episode The Tello is a drone discussed in listener messages and a listener’s video. Mentions 258: Divestment Of Responsibility May 7, 2018 1:27:37 have you had any chance to try out the Telo drone you have? 1:29:36 I heard about the Tello because of you. I made a little video.