Code length: 16 bits Carrier: approx 35.5kHz +--------+ Header: | | + +----------------+.. 4T 8T The header is only transmitted once (for the first repetition of the code). +--+ 1 is coded: | | ..+ +------+.. 500us 1800us +--+ 0 is coded: | | ..+ +--+.. 500 600us +--+ | | After the last bit a ( ..+ + ) is transmitted to terminate the last bit. 500us For more information please read the documentation.