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Home - KEELOQ Authentication Products - Encoders

Encoders, Download Datasheets

The HCSXXX Encoder family combines a 32-bit hopping code generated by a non-linear encryption algorithm, with a 28/32-bit serial number and 5 status bits to create up to a 69-bit transmission stream. The length of the transmission eliminates the threat of code scanning and the code hopping mechanism makes each transmission unique, thus rendering code capture and resend (code grabbing) schemes useless. The KEELOQ family of code hopping devices provide a simple yet highly secure solution for remote control locking devices, house keys, garage door openers and home security systems. The key is a proprietary, non-linear encryption algorithm that creates a unique transmission on every use.


HCS101 Device

HCS200 Device

HCS201 Device

HCS300 Device

HCS301 Device

HCS320 Device



HCS360 Device

HCS361 Device

HCS362 Device

HCS365 Device

HCS370 Device



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