Draper Expert Vehicle Key Fob Tester

The Draper Expert Vehicle Key Fob Tester is a specialist diagnostic tool designed to help automotive technicians and locksmiths quickly identify faults with vehicle remote controls and key fobs. This compact tester detects both radio frequency and infrared wavelengths, making it an essential tool for diagnosing transmission issues before replacing expensive key fob components. Operating within the 418MHz to 434MHz frequency range, this tester covers the most common radio frequencies used by vehicle manufacturers for remote central locking and security systems. The device provides a straightforward method to confirm whether a key fob is transmitting a signal, helping to distinguish between battery failures, circuit faults, or receiver problems on the vehicle itself. Ideal for mobile locksmiths, automotive electricians, and garage workshops, the tester eliminates guesswork when diagnosing remote control issues. The dual detection capability for both radio and infrared signals makes it suitable for testing a wide range of vehicle key fobs and remote controls across different makes and models.