NASCAR Driver Only Long Track Racing Communication Kit with RDH16 Radio provides ultimate long-distance communication through ultra-clear digital audio, and superior durability. The RDH-16 UHF digital radio featured in this kit offers clarity and range ideal for long-track racing. The professional NASCAR communications are optimized through NASCAR 3-Conductor Configuration. The kit includes a high-power UHF radio for improved range and clear audio achieved by AlphaBud mono earbud. The kit comes with an external kit upgrade for long-track comprising long-range antennas and race-grade coax cable. Additional features include plug-and-play installation, aluminum handheld radio box, and a free storage bag. The RDH-16 UHF digital handheld radio, NASCAR 3C wired communication harness, NASCAR 3C wired helmet kit and other essential components are included in the kit. The RDH-16 is compatible with all UHF business band radios operating on the same frequencies.