Why are automotive radar systems moving from 24GHz to 77GHz?

sensor77 Sony Alpha 77 II – pros. Advanced 79-point AF system; Easy, customisable menus; Comprehensive Wi-FiNFC features; Sony Alpha 77 II – cons. In-camera noise. SENSOR77 Aplicação:CHEVROLET S10 2.8 MWM TURBO (ELETRÔNICO) - 2005 --> EM DIANTECHEVROLET BLAZER 2.8 12V MWM SPRINT 4.07TCE TDI - 2005 A

sensor77, Page 1 77-255 IntelliSensor ™ Multi-depth Stud Finder INSTRUCTION MANUAL 109F Manual (BEF) 17205, 3:38 PM...; Page 2 IntelliSensor™ Pro (77-255) The Stanley® IntelliSensor.