IMSA Driver Only Racing Communication System with R1 Radio offers both digital and analog communication for various racing environments enhancing clarity, flexibility, and reliability. The R1 dual-band digital/analog radio improves communication quality and durability. Notable features include an IMSA 3-Conductor Configuration, R1 Dual-Band Digital/Analog Radio, Plug-and-Play Installation, and Clear Audio from an AlphaBud mono earbud. The kit also provides added protection with an aluminum handheld radio box and free storage bag. The product contains an R1 dual-band (VHF/UHF) digital/analog handheld radio, an IMSA 4C wired communication harness, helmet kit, radio jumper, steering wheel push-to-talk button, AlphaBud mono earbud for the driver, free medium storage bag, and a universal mounting radio box. Compatible with all VHF/UHF business band radios on the same frequencies.