: Version R05.16 is often cited by users as a preferred version because it was one of the last to allow per-channel selection of wideband vs. narrowband (12.5 kHz) spacing.
Motorola did not release a single version of RVN419114. Over the lifecycle of the Astro 25 line, the software was updated to fix bugs, support new features (like TDMA or enhanced encryption), and comply with changing FCC regulations. motorola radio programming software rvn419114