Kepo minature buzzers 23 03khz27 03khz31 05khz kepo kpx g1201b 6338 the kepo minature buzzer 31 05khz is an electronic buzzer that offers a high but rich sound able to generate a continuous pulse tone and suitable for use in professional commercial and industrial applications kepo kpx g1201b 6338 miniature buzzer 31 05 khz