About This File Firmware collection MIB Entry MIB1 High (MHIG) MIB1 STD (MSTD) MIB2 High (MHI2) MIB2 STD (MST2) 2G Basic 2G High 3G Basic (BNav) 3G High (HNav) 3G Plus (HN+) 3G Radio RMC Nav RMC Radio RNA-D RNA-E RNS 850 (VW) HOW TO DOWNLOAD