The Crew Chief - H42 Spotter Headset and Rugged Handheld Radio Package includes Rugged Radio's H42 headset, coiled headset jumper cable, and handheld radio for clear communications essential for NASCAR and IMSA circle track and road racing crew chiefs and spotters. Radio options encompass the digital 16-channel RDH for crystal clear communication and the dual band R1 with digital and analog operation. RDH16 radio features power and performance in an easy to operate 16 channel radio with digital technology for ultra-clear communication and analog mode for compatible with standard analog radios. R1 offers dual band operation and accessories to expand the radio's functions including XL batteries, mag mount, and long-range antennas. Included with the package are RDH16 UHF or R1 Dual Band Digital/Analog Handheld Radio, H42 Behind the Head Headset, and Radio-to-Headset Coil Cord. Both VHF/UHF business band radios and UHF business band radios are compatible with R1 and RDH-16U respectively.