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International Automotive Technicians Network
Keyless Entry signal
Posted to the Waveform Library on 1/10/2020

This capture taken from a known good 2019 Cadillac XT5, left front keyless entry transmitter, when depressing the button on the exterior door handle. Time is zoomed out to see whole transmission. Alternating voltage from 10v to -10v (20V peak to peak).