RUGGED Wired Driver and Crew Chief Racing Kit with R1 Radios provides a perfect solution for racing communication. This kit offers reliable, clear communication between drivers, crew chiefs, and spotters. Included in this package are powerful handheld R1 dual-band digital/analog radios, M1 noise-cancelling dynamic headset, push-to-talk button, and more. The Rugged Harness, built with molded jacks, high-bend test cables, and RF blocking, ensures interference-free communication. The AlphaBud earbuds deliver loud, crisp sound, enhancing the communication for drivers. Other included items are H42 Behind the Head headset, a ballistic nylon belt with quick-release buckle, handheld radio coil cord, aluminum radio box, wired communication harness, clear voice audio helmet kit, steering wheel mounted push-to-talk button, and a medium storage bag. The R1 handheld supports all VHF/UHF business band radios operating on the same frequencies. Options for radio models include RDM-DB, M1, RDH-X, R1, V3, RM60, RH5R, RDH16, and various models from Icom, Motorola, and Kenwood.