NFPA 1802 outlines performance and design requirements of portable hand-held two-way radios intended for use by firefighters and emergency responders. The standard ensures that radios are rugged, intrinsically safe and can withstand extreme heat, water and impact as well as other hazardous conditions. It also features clear audio quality, emergency alert capabilities, and maintainable... https://kukubooks.com/product/nfpa-1802/