An R ID is the authorization ID assigned by the Korean Communications Commission to identify wireless products in the Korean market. The R assigns application ID numbers and Authorization number to approved products.
The 3.5HDD, manufactured by SEAGATE TECHNOLOGY LLC and sold by KADI DIE KOREA CO., LTD. has an Authorization Number of R-REI-kDD-ST6000NM0185 and was approved on 2018-01-12 under application number 201817210000012710.