- RRA (Radio Research Agency) : http://rra.go.kr

- MSIP (The Ministry of Science, ICT & Future Planning) : www.msip.go.kr
  
- CRMO (Central Radio management Office) : http://crmo.go.kr
   (For safety Approval of Electric products)

- KTL (Korea Testing Laboratory) : www.ktl.re.kr

- KTC (Korea Testing Certification) : www.ktc.re.kr

- KTR (Korea Testing & Research Institute) : www.ktr.or.kr