Lonsdor LT20-02 Smart Key Board | Dual Chip (8A + 4D) | Subaru 4-Button Shell Compatible
The Lonsdor LT20-02 is a dual-frequency, dual-chip smart key PCB board designed for advanced key programming applications. With support for 8A and 4D transponder types, this board fits a wide range of Subaru vehicles (2017–2021) when paired with FCC ID shells HYQ14AHK and HYQ14AHC.
Compatible with Lonsdor K518 Pro and KH100+, it allows full control over chip type conversion, frequency switching, and advanced smart key customization—ideal for locksmiths and advanced users.
Key Features:
- Chip Type: Switchable between 8A and 4D
- Board Number: 7000 (8A) / 5801 (4D)
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Frequency Options:
- 314.35 / 312.09
- 312.50 / 314.00
- 433.58 / 434.42
- 314.35 / 315.10
- 433.92 MHz and others
- Remote Type: 4-Button Smart Key (Lock, Unlock, Trunk, Panic)
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Shell Compatibility: FCC ID HYQ14AHK, HYQ14AHC (sold separately)
Vehicle Compatibility: -
8A Chip Type:
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2019 – 2021 Subaru Forester
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4D Chip Type:
- 2019 – 2021 Subaru STI
- 2019 – 2021 Subaru WRX
- 2018 – 2021 Subaru Legacy
- 2018 – 2021 Subaru Outback
- 2019 – 2021 Subaru Ascent
- 2018 – 2021 Subaru Crosstrek
- 2017 – 2021 Subaru Impreza
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Chip type can be converted directly via KH100+ or K518 Pro interface.
Programming Compatibility:
- KH100+: Home → Special functions → LT smart key
- K518 Pro: Home → Special functions → Key Setting → LT smart key
Smart Key Functions (via Lonsdor):
- Read key version
- Read/Convert button function
- Modify frequency
- Unlock key
- Upgrade firmware
- Convert chip type (4D ↔ 8A)
- Emergency key generation (K518 Pro only)
- Smart key remote count modification
- 8A key cloning supported via KH100+
What’s Included:
- 1x Lonsdor LT20-02 Smart Key Board (8A + 4D capable)
- Instruction card/QR for programming path
- [Shell sold separately]
Important Notes:
- This is a PCB board only – no shell or emergency key included
- Support for Hyundai/Kia may be available in future firmware updates
- Not compatible with original OEM programming tool
