The HAHO/HALO push-to-talk was originally developed in 2014-2015 at the request of some individuals out of Air Force Rescue Squadrons. Another supplier in the U.S. had been providing a solution that proved costly and suffered repeated field failures. Our design team sat down with several rescue Squadron team members in an effort to reduce cost, eliminate design flaws and offer a more user-adjustable fit. Following nearly 6 months in development, our solution was completed and has been purchased consistently since by operators seeking a dependable, hard-wired, in-the-air and on-the-fly PTT