CSF2100D devices rarely have native Mac drivers. You must use a virtual Windows machine (Parallels/VMware) or a generic CUPS driver via USB.
: This software allows you to program frequencies, privacy codes (RAN/CTCSS/DTCS), button assignments, and firmware settings. csf2100d download link
Below are the three legitimate categories of sources where you will find a working download link for the CSF2100D. CSF2100D devices rarely have native Mac drivers
: You can also purchase the software on a USB thumb drive or CD from reputable retailers such as Buy Two Way Radios or 49er Communications . privacy codes (RAN/CTCSS/DTCS)