Lonsdor PCB F433D 433.92MHz Toyota 4D Smart Key

This is an aftermarket smart key circuit board (PCB) made by Lonsdor designed to be installed inside a Toyota/Lexus smart key shell. It provides:

• 433.92 MHz RF frequency remote signal for lock/unlock functions.

• 4‑D transponder chip for immobilizer recognition (4D chip ID).

• 4 buttons (typically lock, unlock, trunk, panic).

 Compatibility

It’s intended as a replacement PCB for lost or damaged Toyota/Lexus smart key fobs that use remote start/lock/unlock and keyless‑go systems.A matching key shell (case) to house the PCB and any physical key blade.
✅ Programming so your car can recognize the transponder and remote functions (via dealer or professional locksmith tool).