This is the "release group" tag. RBB is a known group that encodes and uploads television content to the internet. MP4: The file container format. 3. Safety and Legality Warning
or local public broadcasting services in some international markets. download-fake-fortune-s10e02-hdtv-h264-rbb-mp4
Files found on public "free download" sites often carry risks of malware or "fake" files that try to trick you into downloading a malicious media player or codec. This is the "release group" tag