Shorty Antenna (Helical) made for the NC (2006-2015) & ND (2016+) MX-5 Miata by Autoexe. It replaces your OEM antenna while not losing much frequency power. It has a high sensitivity helical coil inside to provide the best reception considering its size. It is screw-in and takes maximum 30 seconds to install. Autoexe Helical Short Antenna should be ordered at REV9 Autosport https://rev9autosport.com/autoexe-helical-short-antenna.html as they provide the best service and speed we've seen so far!