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J Labs

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RF communication modules for the defense industry.

Gumi, South KoreaFounded 2019Defence
Valuation $0–100M Latest valuation · 2026
Total funding $10–50M Disclosed equity funding
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About J Labs

J Labs Co., Ltd. is a South Korean company established on February 28, 2019, by co-CEOs Seok Junhak and Song Seunghoon. The firm operates in the defense and telecommunications sectors from its headquarters in Gumi-si and an R&D center in Seongnam-si. It has positioned itself as a key domestic manufacturer with a mission to advance South Korea's self-sufficiency in the national defense industry through the localization of critical components. The company's business centers on the development and production of specialized communication hardware. Its product portfolio is segmented into three main categories: RF (Radio Frequency) Modules, RF Components, and Digital Modules/Test Equipment. The RF Modules are a core technology for precision-strike guided weapons, specifically used in seeker modules. Its RF Components are utilized more broadly across radio communication systems, while its Digital Modules are applied to high-speed signal processing and control units within various defense products. J Labs is primarily focused on serving the weapon systems market, particularly in the area of guided missiles. J Labs functions as a business-to-business (B2B) manufacturer, supplying its specialized hardware to clients in the defense industry. The company has gained recognition for its technical capabilities and growth potential, having secured investment to fuel its expansion. In a significant move towards scaling its operations, J Labs is preparing for an initial public offering (IPO), with Samsung Securities managing the process. This step aims to support the company's goals of enhancing technological innovation and stabilizing mass production to meet market demands. Keywords: Defense electronics, RF modules, 5G communication modules, guided weapon systems, telecommunications equipment, seeker modules, signal processing, South Korean defense industry, radio frequency components, military hardware, localization, defense manufacturing, IPO, communication systems, test equipment, electronic components, aerospace and defense, B2B manufacturing, national defense, Gumi, Seongnam

Source: Dealroom company data

At a glance

Status
Operational
Founded
2019
Headquarters
Gumi, South Korea
Open positions
None listed
Dealroom signal
16.0/100
Industry
Semiconductors
Sector
Defence, Semiconductor Designers and Manufacturers, Radar Sensors
Business model
Manufacturing
Client focus
b2b
Links
Website

Latest news

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Funding history

1 recorded event

Company financing events and reported valuations.

Deal typeDateAmountValuationInvestorsSource
SERIES BOther financing Jul 2026 $10M $40M E&F Private Equity · Kiwoom Capital
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Growth signals

J Labs website traffic

Latest recorded traffic for J Labs is 2.5K monthly website visits.

Latest monthly visits2.5K
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Investors

2 investors on the cap table

From Dealroom's funding and investor records, grouped by the round each investor first entered.

Series A2 investors entered at this stage

  • E&F Private Equity
  • Kiwoom Capital
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Talent movements Hidden — book a demo in · Hidden — book a demo out past 12 months

Source: Dealroom Talent Intelligence.

Global footprint

Workforce and web traffic by country
Workforce by country
🇰🇷 South Korea · Gumi HQ
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Market sentiment

Posts on X, past 7 days

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