If you look at the base of your radio you'll see a little knob on top of where the batt tray slides in, thats where you can clip it to. I usually just keep it in my pocket if I know i have to be changing the Freq. on the spectra when I'm at the drivers stand. TTYL.
Gary F.
PS i am crankin laps at 2 sec faster than the next guy, LOL. Only losi in the bunch to boot!!