Texas TRPWS21 Transponder Chip – 128-Bit Programmable Immobilizer Chip

The Texas TRPWS21 128-Bit Transponder Chip is a high-security, programmable immobilizer chip designed for advanced automotive key systems. Manufactured using Texas Instruments technology, this chip delivers strong encryption, fast data exchange, and exceptional reliability for modern immobilizer applications.

Ideal for professional locksmiths, the TRPWS21 supports secure 128-bit protocols and is commonly used in vehicles requiring enhanced anti-theft communication. Its durable carbon housing ensures long-term performance, while its programmable architecture allows for flexible use in key replacement and cloning operations.

🔧 Features

• Model: TRPWS21
• Type: 128-bit programmable transponder
• Manufacturer: Texas Instruments (TI technology)
• Material: Carbon-encapsulated
• Function: Key cloning, immobilizer chip replacement, advanced programming
• Performance: Strong encryption, stable RF signal, fast recognition
• Use Case: High-security automotive systems & professional locksmithing
• Weight: ~0.3 g

Technical Highlights

• 128-bit encryption for maximum security
• Multi-vehicle compatibility (varies by programmer and vehicle system)
• Ideal for systems requiring WS21/TI 128-bit chip formats
• Reprogrammable structure for extended usability