: RAR is a proprietary format. Use the official WinRAR or the open-source 7-Zip to extract it.
: For industrial LCDs or specific hardware, check EEVblog or XDA Developers using the search term "RL2216 firmware" to find peer-reviewed download links. Quick Tips for the .rar File Download RL2216 rar
If you are looking for this file for device recovery or flashing, check these community-trusted archives: : RAR is a proprietary format
Are you trying to (like an MP3 player) or looking for a datasheet for this component? Download RL2216 rar