The Santronics 3415 Keyless Entry Tester is the first step for remote keyless entry, alarm and remote starter system diagnosis. Time is very important not only to the customer, but also to the service manager or technician. The Keyless Entry Tester enables the user to determine if a keyless entry problem is caused by a faulty hand held transmitter or the receiver inside the vehicle. This includes factory installed or aftermarket keyless entry systems. All functions of the keyless entry transmitter can be tested for the presence of the data signal. The Santronics Keyless Entry Tester eliminates the guesswork from remote system diagnosis.