Ranked 1st in our list of recommended oscillators and sells for $19.99 (as of 12/03/2023 07:39 PDT details ) , more than 83% of the Electronics-Salon 43209-28977 reviews are positive. With features such as 1 2048 2048hz extremely super low frequency square wave oscillator module. and frequency range 2048 1 2048 hz, total 22 output ports, at the same time can output 22 frequencies 2048, 1024, 512, 256, 128, 64, 32, 8, 4, 2, 1, 1 2, 1 4, 1 8, 1 16, 1 32, 1 64, 1 128, 1 256, 1 512, 1 1024, 1 2048 hz., it is indeed our top pick among oscillators.