The LONSDOR LT20-05 Universal Smart Key PCB is a specialized solution designed for Toyota Sienna smart key systems, featuring a 6-button layout and operating at 314.35MHz frequency. Built with a 4D transponder chip, this PCB ensures reliable communication with the vehicle’s immobilizer system.

This universal smart key board is ideal for key replacement, repair, and spare key creation, offering full support for keyless entry, sliding door control, trunk release, and panic functions. It is widely used by professional locksmiths thanks to its stable performance and high compatibility.

When used with Lonsdor K518ISE, K518S, or KH100+, the LT20-05 can be easily generated and programmed, making it a powerful and cost-effective solution for Toyota Sienna (2010–2019) smart key systems.

🔑 Key Features

• 🚗 Compatibility: Toyota Sienna (2010–2019)
• 🔐 Chip Type: 4D transponder
• 🔘 Buttons: 6 buttons (Lock / Unlock / Left Door / Right Door / Trunk / Panic)
• 📡 Frequency: 314.35MHz
• 🧠 Smart Functions: Keyless entry, push-start, proximity system
• 💻 Tool Support: Lonsdor K518ISE / K518S / KH100+
• 🔄 Universal PCB: Ideal for replacement and spare key creation
• 🔋 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 verify vehicle compatibility and frequency (314.35MHz)
• ❌ This is a PCB board only (not a complete key)