The model names are abbreviations of a long description of the product.
‘50” 4K ultra high definition TV with built-in Roku with a black frame, built in 2022, model 43, revision A’ might be shortened to ‘504KROKBK2243/A’.
Every company does something like that and has their own way of describing their product and abbreviating the description. Once you become familiar with the formula they use, you can look at a model number and tell what the product is right away (helpful for people that sell and handle the things).
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