Listen and compare the signal tones from the evaluation kit running the PKLCS1212E4001-R1 and PKMCS0909E4000-R1 at a frequency of 4.0 kHz in the videos.
Listen and compare the signal tones from the evaluation kit running the PKLCS1212E2000-R1, PKLCS1212E2400-R1, and PKLCS1212E4001-R1 at frequencies of 2.0 kHz, 2.4 kHz, and 4.0 kHz in the videos.