The LONSDOR LT20-02EN Universal Smart Key PCB (4 Buttons) is a professional aftermarket smart key board designed for Subaru smart key systems, supporting both 4D and 8A transponder platforms. It is part of the advanced Lonsdor LT20 universal series, offering flexible key generation and wide compatibility.

This PCB features a 4-button layout and supports frequency switching (315MHz / 433MHz), making it suitable for different regional vehicle specifications. It is widely used for key replacement, spare key creation, and smart key programming, especially when working with modern Subaru proximity systems.

With full support for Lonsdor K518ISE, K518S, K518 PRO, and KW100 devices, the LT20-02EN allows locksmiths to generate, modify, unlock, and convert smart keys, making it a powerful and cost-effective solution.

🔑 Key Features

• 🚗 Compatibility: Subaru smart key systems (wide coverage)
• 🔐 Chip Support: 4D / 8A transponder platforms
• 📡 Frequency: 315MHz / 433MHz (switchable)
• 🔘 Buttons: 4-button smart remote
• 🧠 Smart Functions: Keyless entry, push-start, proximity system
• 🔄 Universal PCB: One board for multiple models
• 💻 Tool Support: K518ISE / K518S / K518 PRO / KW100
• 🔧 Advanced Functions: Key unlock, upgrade, conversion & cloning
• 🔋 Battery: CR2032
• 🏭 Type: Aftermarket smart key PCB

📊 Product Specifications

⚙️ Important Notes

• ⚠️ Requires professional programming tools (Lonsdor devices)
• 🔧 Must be initialized before use
• 🔋 Battery and key shell are not included
• 🔍 Always confirm vehicle compatibility (4D / 8A system)
• ❌ This is a PCB board only (not a complete key)
• 🚗 Commonly supports models like Subaru WRX, Forester, Outback, Impreza (2017–2021)