What is the most appropriate Racing Radios system for our team ?

It all depends on the style of racing your team will be running.most racing series on oval tracks and drag strips only requires portable radios to do the job.

See Racing Radios Oval tracks radio system

Road courses race teams usually run Mobile radios in the car and portable radios in the pits.

See Racing Radios Endurance radio system

Formula cars are using portable radios and rely on a very efficient antenna to cover the whole track.

See Racing Radios open wheels cars radio system