An KCC / MSIP RR ID is the authorization ID assigned by the Korean Communications Commission to identify wireless products in the Korean market. The RR assigns application ID numbers and Authorization number to approved products. The Quad Cortex, manufactured by Neural DSP Technologies and sold by Samik Instrument Co., Ltd. has an Authorization Number of RR-SMJ-QuadCortex and was approved on 2021-03-09 under application number 202117210000423138.