Police radio: Listen & Download Police radio .mp3 Error! Change your browser, please! ⇓ Download Morse code transmission ⚠ Radar, location alert ⚠ Morse code, reception, transfer ⚠ Morse code, SOS signal reception ⚠ Interference Broadcasting ⚠ Low frequency pulsing and humming signal ⚠ High frequency signal ⚠ SOS signal transmission, Morse code ⚠ High frequency squeak ⚠ Brown noise ⚠ Radio noise ⚠ White noise ⚠ ★★★★★