The Nexus PTT button is the best I have found! It works reliably every time and is much more durable than competing PTT buttons. My off road motorcycle club uses helmet radio systems for communication on trail rides, baja trips, and when hosting poker run events, so reliable radio rigs are important. After struggling with a competing (no so) rugged competitor, I switched to PCI, including this button, and have had zero issues since! I highly recommend the PCI setup with the Nexus PTT button to anyone who needs a reliable radio rig. It is a durable button that is perfectly placed and works every time!