Lonsdor PA7800B Smart Remote Key PCB 3 Buttons 8A Transponder For Hyundai / Kia

Key Features

• Type: Smart remote key PCB (printed circuit board) for key fob assembly

• Buttons: 3 physical buttons

• Transponder: 8A (DST-AES ID8A) chip — supports smart key programming for vehicles with compatible immobilizer systems

• Keyless Go / Proximity: Yes (supports keyless entry/start when paired with correct housing and programming)

• Condition: New PCB board

• Battery: Typically uses a CR2032 (sold separately) for operation

• Weight: Around ~12 g

  Compatibility & Use

  • Designed for Hyundai and Kia vehicles that use 8A smart key systems (e.g., Sonata, Elantra, IX25/IX35, K3 and similar models), though exact year/model fitment should be confirmed before purchase.

  • Works as a PCB replacement — you’ll need your own key shell/case, battery, and a compatible programmer (like Lonsdor or similar tools) to properly configure and program the key to your vehicle.