RF Systems
Daily close in US$ at the latest USD/KRW close. Source: KRX via FinanceDataReader.
RF Systems makes radar systems, antenna systems, and environmental control systems used in guided weapons and other military platforms, listed on KOSDAQ, South Korea's tech-focused small-cap exchange.
It supplies these products to defense contractors, including LIG Nexen One and other Korean defense firms. A core structural fact is that the company covers the full production cycle in-house, from research and design through assembly, testing, and quality inspection, and has expanded from supplying individual components into delivering complete system-level products.
Summary is AI-generated and may contain errors · figures from DART filings
RF Systems domesticated the seeker antenna, a critical guided-weapon component previously imported entirely from countries such as the United States and France, using its proprietary dip brazing metal-joining technology.
RF Systems in five facts
What does RF Systems do?
RF Systems makes radar systems, antenna systems, and environmental control systems used in guided weapons and other military platforms, listed on KOSDAQ, South Korea's tech-focused small-cap exchange.
Where is RF Systems listed and in which sector?
RF Systems (Korean name: RF시스템즈) trades under KRX code 474610 on KOSDAQ, the Korea Exchange's board for smaller and growth companies. It is classified in the Industrials sector, Machinery.
How large is RF Systems?
Its market capitalisation was US$80.6M on 2026-10-21, which puts it in this site's small-cap group. US$ amounts are converted from won at 1 USD ≈ ₩1,325 (2026-10-21).
What were RF Systems's latest annual revenue and operating profit?
For fiscal year 2025, RF Systems reported revenue of US$28.8M, operating profit of US$3.1M and net income of US$3.9M, per its annual report on DART (data retrieved from DART on 2026-06-04). Revenue was up 16.8% on the previous year.
Where does this data come from?
Financial statements and filings come from DART, Korea's official corporate-filing system. Share prices, market capitalisation and trading status come from KRX. Company summaries are AI-generated from the filings and may contain errors; financial figures are mapped directly from DART.
Data sources and last updated
- Filings and financial statements
- DART (dart.fss.or.kr), Korea's official corporate-filing system
- Prices, market cap, trading status
- KRX (Korea Exchange), via FinanceDataReader
- Latest annual financials
- Fiscal year 2025, data retrieved from DART on 2026-06-04
- Share price and market cap
- Close of 2026-10-21
- Currency
- US$, converted from won at 1 USD ≈ ₩1,325 (2026-10-21 close)
- Company data updated
- 2026-10-21
- Company summary
- AI-generated from filings; may contain errors. Information only, not investment advice.
- Report on large shareholdings (5% rule) (standard)Oct 15
- Report on securities held by executives/major shareholdersOct 15
- Executives/major shareholders' securities trading planSep 2
- Operating results (preliminary) (fair disclosure)
RF Systems filed provisional (unaudited) separate results for Q2 2026: revenue of US$7.91M (+11.39% year on year), operating profit of US$1.14M (+5.28% year on year) and net income of US$1.43M (+8.49% year on year).
Earnings · Jul 27 - Supply contract signed
RF Systems disclosed a supply contract, worth US$4.49M, about 17.97% of its recent annual revenue, running through Oct 2029.
Supply contract · Jun 8 - Operating results (preliminary) (fair disclosure)
RF Systems filed provisional (unaudited) separate results for Q1 2026: revenue of US$6.79M (+50.34% year on year), operating profit of US$762K (+285.08% year on year) and net income of US$945K (+238.95% year on year).
Earnings · Apr 27 - Supply contract signed
RF Systems disclosed a supply contract with LIG Nex1, worth US$11.1M, about 50.97% of its recent annual revenue, running through Apr 2029.
Supply contract · Mar 16 - Change of 30% or more in revenue or profit/loss structure (15% for large companies)Earnings · Jan 26
- Operating results (preliminary) (fair disclosure)Earnings · Jan 26