Monthly Archives: January 2021

Replacement Remote Key Fobs with FCC ID H5OT21 — Autopage Alert Guardian Marksman Silencer

Several marketers of add-on alarm and remote start systems sold products that used a remote transmitter with FCC ID H5OT21. These include Autopage, Code Alarm (Guardian) and Magnadyne (Alert, Marksman and Silencer). Many of these brands have gone out of … Continue reading

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Difference between OE and Aftermarket Remote Key Fobs

A website visitor contacted to ask what is the difference between our remote transmitters 512-1512 and 098-7397, and whether both would work for his 2004 Chevrolet Impala. This is a very good question. Often, there is more than one remote … Continue reading

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Chevy GMC and Oldsmobile Keyless Entry Remote Key Fobs with FCC ID KOBUT1BT

GM used remote transmitters with FCC ID KOBUT1BT on trucks and SUVs for the years 1998, 1999, 2000 and 2001 on a variety of vehicles — including full-size, S10 and Sonoma pick-up trucks and Blazer, Jimmy and Bravada SUVs. The … Continue reading

Posted in Aftermarket Remote Control, Buying a Car Remote, Car Remote, Car Remote Programming, Key Fob, Keyfob, Keyless Remote | Comments Off on Chevy GMC and Oldsmobile Keyless Entry Remote Key Fobs with FCC ID KOBUT1BT