Hi, Now that I have found about this PIC (Programmable Integrated Circuit) chip. It is to be used on the K1 ATU upgrade firmware. It is labeled, to my eyes, "KAI1 1.20". But others I have emailed say it is KAT1 version 1.2 for the ATU of the K1. If there is anyone in the Lancaster, SC/Waxhaw, NC/Charlotte, NC area that needs it. Please tell me! Daniel