We have put together a complete car and driver radio kit for your Miata, we call this the "easy button" and it removes any of the fluff and extras some others put together.
Crew;
1 RDH16 Radio w/ long range ducky antenna
1 Rugged H42 BTH Headset
1 Headset to radio harness
Car;
1 RDH16 Handheld Radio
1 IMSA Car Harness
1 Car Harness to Radio Jumper
1 Hole Mount Steering Wheel PTT w/ Coil for Car Harness
1 PTT Steering Wheel 6-bolt Mount
1 Battery Eliminator (radio comes with a battery but we use this to hardwire to car for long races, comes 12v plug in we cut to hardwire, gives spare battery for crew kit)
