Still discovering how versatile the N2 is used successfully to verify rear interior antenna for keyless entry system.
After opening and closing door on 2018 Toyota Camry vehicle starts to power down but within 30 seconds keyless entry system basically sends out a request signal to make sure no key fobs are in the cabin of vehicle.
1st pic factory SI waveform, 2nd pic N2 at 4000hz 32 and 800points, waveform mode off. 3rd pic is from another portable scope.