ASB

What ASB does

ASB Inc. is a privately held South Korean RF semiconductor company, headquartered at 44-14 Techno 10-ro, Yuseong-gu, Daejeon, specializing in the design and manufacture of monolithic microwave integrated circuit (MMIC) amplifiers. The firm was founded in 1998 and operates with 11-50 employees out of a single site in Daejeon's Daedeok Innopolis high-tech cluster, where it conducts RF research and development. ASB's portfolio is organized into three application families — telecommunication amplifiers (LNAs, gain blocks, IF amplifiers, medium- and high-power amplifiers), broadcasting products (CATV, MoCA/SMATV/ONU, optical TIAs, GNSS amplifiers, DMB/DVB/CMMB), and microwave high-power amplifiers (S, C, X, Ku, Ka, and wideband) — supported by adjacent digital attenuators and SPDT switches.

The company's technical foundations are GaAs E-pHEMT for low-noise and wideband applications and GaN HEMT for high-power and microwave applications. Representative catalog specs include 20+ dB gain with 0.9-1.5 dB noise figure across 0.05-3.5 GHz in the AHL-series LNAs (MTTF > 100 years), and up to 43 dBm saturated output power in the AGN-series GaN HPAs covering 4.4-16.5 GHz. ASB positions these parts for 5G/wideband, WiMAX/LTE, WCDMA, GPS/GLONASS/Galileo, CATV, microwave backhaul, and military/defense radar and electronic warfare, with a website-hosted cross-reference tool that maps ASB equivalents to competitors such as Qorvo, Skyworks, MACOM, Analog Devices, Infineon, and Broadcom.

Commercially, ASB runs a direct-sales hardware model: enterprise customers in telecom, broadcasting, defense, and microwave integration request datasheets and engage sales by phone (+82-42-528-7220) or email ([email protected]). Pricing is not publicly disclosed. The firm has no disclosed funding events, no investor relations presence, no named parent company, no M&A activity, and no senior leadership disclosures in the public materials reviewed, making the ownership and revenue scale a matter of inference only.

Name

ASB

Legal name

ASB Inc.

Website

https://asb.co.kr

Company type

Private

Founded year

1998

Operating status

Operating

Headcount range

11–50 employees

Short description

ASB Inc. is a privately held South Korean designer and manufacturer of GaAs and GaN RF amplifier MMICs, serving telecommunications, broadcasting, military defense, and microwave system integrators from its Daejeon headquarters with 11-50 employees and over 20 years of catalog history.

Ownership category

akta.pro rank

Product category

RF Semiconductor Components

NAICS

Semiconductor and Related Device Manufacturing (334413), Semiconductor and Other Electronic Component Manufacturing (3344)

SIC

Semiconductors & Related Devices (3674)

akta.pro primary industry

RF, Microwave & Wireless ICs (HDAHAAAF)

akta.pro secondary industries

Low-Noise Amplifiers (LNAs) & RF Gain Blocks (HDAHAMAC), Microwave & RF Signal Chain ICs (Mixers/Detectors/Attenuators) (HDAHAMAL), Amplifiers & Comparators (HDAHAIAC)

Keywords

• RF amplifier MMICs
• Low noise amplifiers
• High power amplifiers
• GaN semiconductor devices
• RF integrated circuits

Headquarters

HQ city

Daejeon

HQ country

South Korea

HQ region

Asia

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Technology or R&D, Personnel, Supply Chain, Operations, Infrastructure, Marketing or Sales

Revenue model

1. RF Amplifier MMIC Sales: ASB generates revenue through the sale of RF amplifier MMIC components including Low Noise Amplifiers, High Power Amplifiers, Gain Blocks, IF Amplifiers, Digital Attenuators, Digital Switches, and Optical TIAs. Products are sold directly to customers in telecommunications, broadcasting, defense, and network infrastructure sectors. Revenue is primarily from one-time hardware product sales with potential for recurring design-win revenue as components are integrated into customer products.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels3 records

Core offering

ASB Inc. designs and manufactures RF amplifier Monolithic Microwave Integrated Circuits (MMICs), including low noise amplifiers, gain blocks, IF amplifiers, medium and high power amplifiers, digital attenuators, digital switches, CATV amplifiers, MoCA/SMATV/ONU line devices, and optical transimpedance amplifiers. Products are built using GaAs E-pHEMT and GaN HEMT semiconductor processes and serve wireless communications, broadcasting, military defense, and microwave system applications across frequency ranges from 50 MHz to 7 GHz and Ku-band.

Product overview

ASB Inc. is a specialized manufacturer of RF (Radio Frequency) Monolithic Microwave Integrated Circuits (MMICs) with over 20 years of experience. The company's product portfolio consists of a comprehensive line of RF amplifier MMICs organized into three main categories: Telecommunication amplifiers (LNA, Gain Block, IF Amplifier, Medium and High Power Amplifiers), Broadcasting amplifiers (CATV, MoCA SMATV ONU, Optical TIA, GPS/GLONASS/Galileo/Compass, DMB/DVB/CMMB), and Microwave HPA (S-band, C-band, X-band, Ku-band, Ka-band, Wideband). Additionally, the company offers Digital Attenuators and Digital Switches. The products utilize technologies including GaAs E-pHEMT for low noise amplifiers and GaN for high power amplifiers, serving applications in wireless communication, cabled communication, military defense, and microwave systems including 5G, WiMAX/LTE, WCDMA, GPS, CATV, and RFID.

Differentiator

Problem solved

Functional benefit

Segments4 records

Ideal customer profiles3 records

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Scale indicators1 record

Recent moves5 records

Expansion highlights5 records

Broad incumbents

• Broadcom: Broadcom offers RF amplifiers and front-end components for wireless base stations and broadband. Listed by ASB's replacement tool as a target competitor, indicating overlap in LNA and broadband amplifier sockets.
• Infineon Technologies: Infineon is a broad semiconductor incumbent offering GaN and SiGe RF amplifiers and front-end modules for wireless infrastructure and defense. ASB's replacement tool explicitly lists Infineon as a target competitor.
• Qorvo: Qorvo is a global RF semiconductor leader offering GaAs/GaN LNAs, HPAs, and integrated modules for telecom and defense. Overlaps with ASB's portfolio at the LNA and GaN HPA level but operates at vastly greater scale across consumer and infrastructure markets.
• Skyworks Solutions: Skyworks is a broad incumbent in RF front-end and amplifier semiconductors for wireless infrastructure. Competes with ASB in LNAs and gain blocks serving wireless base-station and connectivity applications.
• Analog Devices: Analog Devices (including the former Hittite Microwave) offers a broad portfolio of RF, microwave, and millimeter-wave amplifiers including LNAs, gain blocks, and HPAs. ASB's replacement tool explicitly targets ADI sockets, confirming direct competitive overlap.

Direct peers

• Mini-Circuits: Mini-Circuits designs and manufactures RF, microwave, and millimeter-wave components including amplifier modules. Directly comparable to ASB across LNA, gain block, and CATV/broadcasting amplifier applications, with broader catalog breadth.
• pSemi (Murata): pSemi, a Murata company, manufactures RF SOI and GaAs ICs including amplifiers and switches for telecom and broadband. Overlaps with ASB across digital attenuators, switches, and broadband amplifier product lines.
• Guerrilla RF: Guerrilla RF is a small US fabless RF semiconductor company specializing in LNAs, gain blocks, and HPAs for wireless infrastructure and defense — directly comparable to ASB in scale, product mix, and target customers.
• MACOM Technology Solutions: MACOM is a leading US-based supplier of GaAs and GaN RF amplifier MMICs covering telecom, defense, and microwave applications. Directly comparable to ASB across LNA, gain block, and high-power amplifier product lines.

Regional players

• Sumitomo Electric: Sumitomo Electric Device Innovations (SEDI) manufactures GaAs and GaN RF amplifier MMICs for telecom and satellite — directly comparable to ASB's microwave HPA portfolio but primarily serving Japanese and APAC customers.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat3 records

Key risks7 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/asb-inc-

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about ASB