The AIKKEY K3 Remote Key Frequency Tester is a compact, handheld diagnostic tool built for locksmiths, automotive technicians, and electronics hobbyists who need fast, reliable answers about wireless remote signals. Slip a key fob or remote into the marked RF zone, press a button, and the LCD screen instantly reports the transmitting frequency — no guesswork, no bench equipment.
With a wide 100-999MHz detection range and support for both ASK and FSK modulation, the K3 covers the vast majority of car remotes, garage door openers, gate fobs, and household wireless controllers on the market today. It also checks infrared signals, ignition coil on/off status, and door handle signals, making it a versatile pocket companion for everyday troubleshooting.
Powered by an included battery and housed in a durable plastic body weighing just 0.17 kg, the K3 is ready to use straight out of the box. Whether you are verifying a customer's remote before cutting a new key or sorting a pile of unlabeled fobs, this tester gives you a clear numeric readout in seconds.
Place the remote control on the RF square, press any button on the key fob, and the signal is captured by the tester with the frequency shown on the LCD. Ideal for locksmiths verifying customer remotes, auto technicians diagnosing key fobs, and hobbyists working with wireless controllers, garage doors, and gate openers.