Rosenberger

What Rosenberger does

Rosenberger is a German-headquartered, privately-held global manufacturer of precision connectivity solutions founded in 1958 in Tittmoning, Germany, and now headquartered in Fridolfing. The company designs and manufactures RF coaxial connectors, high-voltage power connectors, fiber optic connectivity systems, and precision test and measurement equipment for automotive, telecommunications, hyperscale data centers, industrial, medical, aerospace, defense, and emerging quantum computing applications. The product portfolio is anchored by proprietary technology families including HVR high-voltage connectors (up to 1200V DC and 405A for e-mobility), H-MTD high-speed data connectors (up to 56 Gbps), RPC precision connectors (up to 110 GHz for test and measurement), cryogenic WSMP connectors for quantum computing (down to 10 millikelvin), and a comprehensive fiber optic portfolio led by Rosenberger OSI producing approximately 4 million MTP connectors annually. Specialized subsidiaries include Rosenberger OSI for optical infrastructure, Rosenberger Custom Machining, Rosenberger Kunststofftechnik (precision injection molding), and Rosenberger Stanztechnik (punching and forming).

Rosenberger operates through an enterprise field sales go-to-market model targeting major automotive OEMs, telecommunications companies, and data center operators through dedicated sales teams and account managers, complemented by a global network of authorized distributors and online product catalogs. Pricing is quote-based B2B with no public pricing disclosed; revenue streams comprise hardware sales (connectors and cable assemblies) and professional services including AI infrastructure installation and validation (notably seven completed projects for Microsoft across European data centers). The company holds DIN EN 9100, ESCC, and MIL-PRF-39012 qualifications for aerospace, spaceflight, and defense applications, providing a regulated barrier to entry in those segments.

The group employs more than 15,000 people worldwide across wholly-owned subsidiaries in Germany, Hungary, Mexico, Tunisia (established 2021 as the first African subsidiary), India, China, Japan, North America, and South America. Rosenberger is recognized as a Tier 1 player in the global RF coaxial connector market alongside TE Connectivity, Amphenol, Huber+Suhner, and Radiall, with these Tier 1 suppliers collectively commanding approximately 47% market share. Recent strategic activity includes a March 2026 partnership with Menlo Microsystems for quantum computing, June 2026 participation in the EBO Multi-Source Agreement for AI data center optical standards, and multiple 2026 product launches including the HVR280 high-voltage connector and a new-generation PIM Rack Analyzer. The company faces an ongoing legal liability following a March 2026 Delhi High Court judgment of approximately Rs 152 crore (~US$16.2 million) in a patent infringement case.

Name

Rosenberger

Legal name

Rosenberger Hochfrequenztechnik GmbH & Co. KG

Website

https://rosenberger.com

Company type

Private

Founded year

1996

Operating status

Operating

Headcount range

101–250 employees

Short description

Rosenberger is a German-headquartered, privately-held global manufacturer of precision RF coaxial, high-voltage, and fiber optic connectivity solutions serving automotive OEMs, telecommunications operators, hyperscale data centers, and industrial customers across more than 15 countries with over 15,000 employees worldwide.

Ownership category

akta.pro rank

Product category

RF and Fiber Optic Connectors

NAICS

Electronic Connector Manufacturing (334417), Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals (334515), Fiber Optic Cable Manufacturing (335921)

SIC

Electronic Connectors (3678), Instruments For Meas & Testing Of Electricity & Elec Signals (3825)

akta.pro primary industry

RF & Microwave Connectors and Coaxial Assemblies (HDAHAOAD)

akta.pro secondary industries

Connectors (Power/Signal/High-Speed) (HDAHAOAA), Connectors, Jacks & Couplers (RJ45/LC/SC/MPO/MTP) (HDAFALAD), Connectors & Interconnect Components (Industrial connectors, terminals, sockets, backplane) (IMAGAJAC)

Keywords

• RF coaxial connectors
• Fiber optic connectivity
• High-voltage power connectors
• Cable assemblies
• Precision test equipment

Headquarters

HQ city

Plano

HQ country

United States

HQ region

North America

Offices11 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Connector and Cable Assembly Sales: Primary revenue from manufacturing and selling standardized and customized connectivity solutions including RF coaxial connectors, fiber optic connectors, high-voltage power connectors, and cable assemblies for various industrial applications
2. Installation and Validation Services: Professional installation services for data center infrastructure projects including cable installation, validation, and commissioning
3. Fiber Optic Product Sales (Rosenberger OSI): Sales of fiber optic cabling systems, connectors, and related infrastructure products through online shop and direct sales

Pricing tiers

Go-to-market motion1 record

Distribution channels4 records

Marketing channels7 records

Core offering

Rosenberger designs, manufactures, and sells precision connectivity solutions including RF coaxial connectors, high-voltage power connectors, fiber optic connectors, and cable assemblies for telecommunications, automotive, industrial, medical, aerospace, and data center applications. The portfolio is complemented by PIM analyzers, metrology equipment, automatic test equipment, site infrastructure solutions, cryogenic components for quantum computing, and professional installation services for hyperscale AI data center infrastructure.

Product overview

Rosenberger is a German-headquartered manufacturer of precision connectivity solutions offering a comprehensive portfolio of standardized and customized products in radio frequency, high-voltage, and fiber optic technologies. The product portfolio centers on connectors and cable assemblies, complemented by test and measurement equipment. RF connector offerings include coaxial connectors (SMA, SMB, SMC, BNC, TNC, QMA, N-type), precision RPC series connectors for test applications up to 110 GHz, and board-level connectors (SMP, Mini-SMP, WSMP, EBC, H-MTD, FAKRA, HFM, RosenbergerHSD). Power connectors span from 40A to 405A with voltages up to 1200V DC through HVR, HVU, LVR, HPK, RoPD, RoPO, and Multi-Power series. Fiber optic products include MTP/MPO, LC, SC, E-2000, MMC, MDC, SN, CS, and expanded beam connectors (EBO) for data centers, LAN, and harsh environments. Cable assemblies cover RF, power, and fiber optic applications with test cable options up to 90 GHz. Test equipment includes PIM analyzers, metrology tools, and automatic test equipment. Site solutions provide complete mobile network infrastructure connectivity. Additional offerings include cryogenic components for quantum computing and installation services for AI infrastructure deployments.

Differentiator

Problem solved

Functional benefit

Brands

• RosenbergerHSD: High-Speed-Data connector systems up to 6 GHz commonly used in automotive industry applications
• H-MTD
• HVR
• RoPD
• RoPO
• FAKRA
• HFM
• EBC
• RPC
• HPK
• HSI

Quantifiable outcome

• Precision connector performance up to 110 GHz (RPC-1.00 series)
• +3 more outcomes

Named customers5 records

Segments8 records

Ideal customer profiles6 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature7 records

Partnerships

Four partnerships are on record, tiered core and minor.

• Menlo Microsystems Inc.coreStrategic or Co-development Partner · 18 March 2026Strategic partnership to jointly develop a Multichannel Ultra-Low Power Switch Module for Quantum Computing, combining Menlo Micro's Ideal Switch MEMS technology with Rosenberger's precision high-density Multichannel WSMP RF connectors. The module is designed to operate at temperatures down to 10 millikelvin, addressing thermal load issues that can compromise qubit coherence and system stability in quantum computing applications.
• OpenGMSL AssociationminorStrategic or Co-development PartnerConsortium of automotive OEMs, Tier 1 suppliers, semiconductor manufacturers and ecosystem partners established to create an open, worldwide standard for video and high-speed data transmission in vehicles based on GMSL technology. Non-profit entity with mandatory compliance testing requirements.
• Microsoft (as validation partner)coreTechnology or IntegrationValidation performed together with Microsoft and a third-party provider during AI infrastructure installation projects. Third-party provider made automated reports available for validation of installed cable connections.
• AvaconminorImplementation/ SI/ Consulting PartnerAvacon implemented flexible colocation data center using infrastructure from Rosenberger OSI for data center infrastructure projects.

Scale indicators6 records

Recent moves7 records

Expansion highlights6 records

Direct peers

• JAE (Japan Aviation Electronics Industry): JAE manufactures electronic connectors, board-to-board interconnect, and high-speed I/O solutions for automotive, telecommunications, and industrial markets. Direct competitor in automotive connector space with overlap in FAKRA-style products.
• Radiall: French-headquartered Radiall is a Tier 1 manufacturer of interconnect components specializing in RF coaxial connectors, antennas, and fiber optic solutions for aerospace, defense, telecommunications, and industrial applications. Direct competitor in the same Tier 1 RF coaxial connector category.
• Hirose Electric: Japanese-headquartered Hirose Electric manufactures precision electronic connectors including coaxial, high-speed data, and fiber optic connectors serving telecommunications, automotive, and consumer electronics. Comparable focus on high-frequency precision interconnect.
• Huber+Suhner: Swiss-headquartered Huber+Suhner is a Tier 1 player in the RF Coaxial Connector market with comparable focus on RF, fiber optic, and low-frequency connectivity for telecommunications, transportation, and industrial markets. Closely comparable in product portfolio and end-market overlap.
• JST (Japan Solderless Terminals): JST manufactures wire-to-board, board-to-board, and crimp-style connectors for automotive, consumer electronics, and industrial applications. Comparable connector portfolio serving similar automotive OEM and industrial customers.
• Samtec: Samtec is a US-headquartered manufacturer of high-speed board-to-board interconnects, cable assemblies, and RF connectors with strong presence in data center, semiconductor test, and AI infrastructure applications. Direct overlap in high-speed differential and RF interconnect for hyperscale customers.

Broad incumbents

• CommScope: CommScope is a major provider of network infrastructure solutions including fiber optic cabling, connectors, and connectivity for data centers, telecommunications, and enterprise networks. Directly comparable in fiber optic connectivity for hyperscale and telecom customers.
• Molex: Molex (a Koch Industries subsidiary) manufactures electronic interconnect solutions including RF connectors, fiber optic connectors, and cable assemblies serving data communications, automotive, medical, and industrial markets. Comparable broad connector portfolio and customer overlap.
• TE Connectivity: TE Connectivity is one of the world's largest manufacturers of electronic connectors and sensors with ~$16B in revenue, serving automotive, industrial, aerospace, and data communications. Directly comparable as a Tier 1 player in the same RF coaxial connector market alongside Rosenberger.
• Amphenol: Amphenol is a major Tier 1 connector manufacturer with ~$12B+ revenue offering interconnect, antenna, and sensor solutions across automotive, broadband, industrial, IT/datacom, and aerospace markets. Direct competitor in RF coaxial connectors and similar diversified end-market exposure.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks5 records

Key highlights6 records

Customer concentration

• YouTubeyoutube.com/user/RosenbergerTV
• Facebookfacebook.com/rosenberger.hft
• LinkedInlinkedin.com/company/rosenberger
• Instagraminstagram.com/rosenberger.group

Compliance3 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 records

Subsidiaries19 records

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 Rosenberger