Anritsu
A Japanese multinational manufacturer of communications, electronic, optical, and industrial test and measurement equipment.
Last updated August 21, 2026
AI crawler reads
No AI crawler has read this profile since Oct 28, 2026.
Overview
Anritsu is a Japanese multinational technology company whose principal business is the development and manufacture of test, measurement, inspection, and assurance systems for communications and electronics. Headquartered in Atsugi, Kanagawa, the company serves telecommunications operators, network-equipment vendors, handset and device manufacturers, semiconductor and electronics businesses, laboratories, government organizations, and field-service teams. Its products are used across the technology lifecycle, from research and development and manufacturing validation to network installation, commissioning, monitoring, troubleshooting, and maintenance. The company's corporate history reaches back to 1895, when Sekisan-sha, one of its predecessors, was established in Japan. A later predecessor, Annaka Electric Company, developed wireless transmitters and participated in early Japanese telephone and wireless-communications development. Anritsu Corporation was formed in 1931 through the merger of Annaka Corporation and Kyoritsu Electric. This historical connection to wireless communications helped establish the company as a specialist supplier to the telecommunications and electronics industries rather than as a consumer telecommunications operator. Anritsu's current portfolio includes wireless and mobile-network test systems, radio-frequency and microwave instruments, spectrum and network analyzers, optical and wireline measurement equipment, network monitoring and assurance solutions, and production-line inspection systems. Its communications products support activities such as conformance testing, protocol analysis, call tracing, service assurance, customer-experience evaluation, signal generation, and network-quality verification. The company also supplies inspection equipment for food and other industrial production environments through its inspection-related businesses. A major part of Anritsu's positioning is its ability to support successive communications technologies and standards. Its equipment is used by organizations developing and deploying cellular, broadband, fiber-optic, wireless, and other data-network technologies. The company therefore competes primarily on technical accuracy, standards knowledge, reliability, software capability, lifecycle support, and its ability to integrate instruments into engineering and production workflows. Its customers generally purchase specialized systems and services rather than mass-market products. Anritsu expanded its international presence through overseas subsidiaries and acquisitions. In 1990 it acquired the United States-based Wiltron Company, strengthening its position in microwave and high-frequency measurement. The broader Anritsu Group includes Anritsu Corporation and businesses such as Anritsu Engineering, Anritsu Infivis, Anritsu Devices, and Anritsu Networks. Its American subsidiary, Anritsu Company, has supplied equipment to the United States Department of Defense. The company has been listed on the Tokyo Stock Exchange since 1968 and continues to operate as an active, globally oriented test-and-measurement supplier.
History
Anritsu's history begins in Japan in 1895 with the establishment of Sekisan-sha, identified as the first predecessor of the present group. The company emerged during a period when Japan was developing its electrical, telegraph, and telephone infrastructure. One of the subsequent predecessor companies, Annaka Electric Company, produced wireless transmitters and was associated with important early communications developments, including an early wireless telephone service and Japan's first automatic public telephone. These activities placed the company's heritage close to the development of practical communications technology. The present corporate identity was formed in 1931, when Annaka Corporation and Kyoritsu Electric merged. The combination created a broader electrical and communications enterprise that could develop, manufacture, and commercialize equipment for an expanding communications sector. Over time, the business moved toward specialized instruments and systems used to verify the performance of communications equipment, networks, and electronic components. This transition made measurement capability a central part of the company's identity and differentiated Anritsu from companies that operate communications networks or primarily sell end-user devices. Anritsu became a Tokyo Stock Exchange-listed company in 1968. Its development subsequently followed the evolution of communications infrastructure, including the growth of radio systems, microwave links, digital networks, mobile communications, and optical transmission. The company built products for laboratories and manufacturing sites as well as portable and field-oriented tools for installing and maintaining networks. Its portfolio consequently came to cover research and development, production testing, network construction, service assurance, and troubleshooting. International expansion became increasingly important. In 1990, Anritsu acquired Wiltron Company in the United States for a reported $180 million, adding capabilities and market presence in microwave and high-frequency measurement. The acquisition helped reinforce Anritsu's position outside Japan and contributed to the development of a multinational operating structure. Anritsu Company in the United States became an important subsidiary and has supplied the U.S. Department of Defense. The modern Anritsu Group consists of Anritsu Corporation and several specialized businesses, including Anritsu Engineering, Anritsu Infivis, Anritsu Devices, and Anritsu Networks. The group serves communications operators and equipment manufacturers alongside electronics, semiconductor, research, government, and industrial customers. Communications testing remains the core of the brand, with offerings spanning wireless protocols, RF and microwave signals, optical links, network performance, call tracing, service assurance, and customer-experience management. The group also operates in industrial inspection, including equipment used in food-production environments. Anritsu's long-term history is therefore characterized by a progression from early electrical and wireless communications activity to a globally distributed test-and-measurement business. Its products are tied to changes in communications standards and network generations, so the company continually adapts instruments, software, and testing workflows to new mobile, broadband, optical, and high-frequency technologies. Its present role is that of an infrastructure and engineering supplier: it helps other organizations develop, certify, manufacture, deploy, and maintain communications and electronic systems.
- 1990
Acquisition of Wiltron
[1]Anritsu acquired the United States-based Wiltron Company, strengthening its international presence and microwave measurement capabilities.
- 1968
Tokyo Stock Exchange listing
[1]Anritsu became listed on the Tokyo Stock Exchange, marking its development as a publicly traded Japanese technology company.
- 1931
Formation of Anritsu Corporation
[1]Annaka Corporation and Kyoritsu Electric merged to form Anritsu Corporation, consolidating the company's communications and electrical technology heritage.
- 1895
Sekisan-sha established
[1]Sekisan-sha was founded in Japan and became the earliest identified predecessor in Anritsu's corporate history.
Products and positioning
A specialist, engineering-led provider of high-precision test, measurement, inspection, and network-assurance solutions for communications, electronics, and selected industrial markets.
Communications test and measurement
Wireless communications test systems
Anritsu's wireless portfolio supports the development, conformance verification, manufacturing, and field maintenance of mobile and other wireless technologies. These systems can be used to examine radio performance, protocols, signaling, device behavior, and network quality. The products are aimed at operators, infrastructure manufacturers, handset and device makers, laboratories, and engineers working with evolving cellular standards.
Network testing
Network test and assurance solutions
Network-oriented products include tools for call tracing, service assurance, customer-experience management, monitoring, and performance verification. They help operators and service organizations investigate network behavior, identify faults, assess service quality, and understand user-facing performance. The offering spans laboratory, operations, and field-maintenance use cases rather than consumer communications services.
Electronic measurement
RF and microwave measurement instruments
These instruments measure and generate high-frequency signals used in wireless infrastructure, aerospace and defense electronics, semiconductor applications, and research. The category includes radio-frequency and microwave signal generators, spectrum analyzers, and network analyzers. The Wiltron acquisition contributed to Anritsu's international capabilities in this area.
Optical communications testing
Optical and wireline measurement equipment
Anritsu supplies measurement systems for wireline, optical, and high-speed data communications. These products are used in research and development, manufacturing, installation, commissioning, acceptance testing, and network maintenance. They help engineers validate transmission quality and the performance of fiber-optic links and related communications equipment.
Industrial inspection
Production inspection systems
Through its inspection-related businesses, Anritsu provides equipment for production-line quality control, including systems used in food manufacturing. Applications can include checking product weight, detecting foreign objects, and monitoring manufacturing consistency. This business extends the group beyond communications measurement while retaining its emphasis on automated inspection and quality assurance.
Brand decisions
1990
Acquisition of Wiltron CompanyM&ABackground
Anritsu sought to expand its overseas business and reinforce its position in microwave and high-frequency measurement.
Action taken
The company acquired Wiltron Company in the United States.
Aftermath
The transaction strengthened Anritsu's U.S. presence and broadened its capabilities in microwave test and measurement.
Recent events
- Unconfirmed
Anritsu launches 5G and LTE interference waveform software[3]
Anritsu announced the launch of two software tools that generate 3GPP interference waveform patterns for receiver testing of 5G and LTE equipment and modules.
Anritsu releases software suites for 5G base-station RF testing[4]
Reported:
Anritsu released two software suites that enhance its MT8000A Radio Communications Test Station to support non-signaling RF tests of 5G base stations.
- Unconfirmed
Anritsu upgrades Network Master Pro MT1000A[5]
Anritsu enhanced its Network Master Pro MT1000A portable tester with an upgraded synchronous measurement function to support time-synchronous infrastructure for 5G networks.
Anritsu and Multiwave Sensors introduce Smart Aligner App[6]
Reported:
Anritsu Company, in partnership with Multiwave Sensors Inc., introduced the Smart Aligner App, a reporting solution for antenna alignment and line sweep measurements. The app is available for Android smartphones and tablets and can be downloaded globally.
Anritsu began sales of the ME7803NR test system[7]
Anritsu announced the late-January start of sales of its ME7803NR RF Regulatory Test System for regulatory compliance testing of 5G communications systems.
Anritsu introduces Extended-K connector family[8]
Reported:
Anritsu Company introduced the Extended-K family of connectors, with performance specified up to 43.5 GHz.
Anritsu appoints Robert Johnson to lead Americas Sales Company[9]
Reported:
Anritsu announced Robert Johnson's appointment as vice president and general manager of Anritsu Americas Sales Company, where he will oversee its operations.
Anritsu introduces new Spectrum Master ultraportable spectrum analyzers[10]
Reported:
Anritsu Company introduced higher-sensitivity Spectrum Master MS2762A models with coverage from 6 GHz to 170 GHz and expanded the Spectrum Master MS2760A series to provide frequency coverage up to 170 GHz.
Anritsu introduces the ME7848A opto-electronic network analyzer[11]
Reported:
Anritsu Company introduced the ME7848A Opto-electronic Network Analyzer system, integrating a VectorStar vector network analyzer with an O/E calibration detector and E/O converters for measurements on optical devices.
Sources13 sources
- 1Anritsuen.wikipedia.org
- 2Anritsu Corporation Globalanritsu.com
- 3安立推出 5G 和 LTE 干扰波形软件rfglobalnet.com
- 4Anritsu发布用于5G基站射频测试的软件套件telecomtv.com
- 5Anritsu 升级 Network Master Pro MT1000Arfglobalnet.com
- 6Anritsu与Multiwave Sensors推出Smart Aligner Appprnewswire.com
- 7Anritsu 开始销售 ME7803NR 测试系统rfglobalnet.com
- 8Anritsu推出Extended-K连接器系列prnewswire.com
- 9安立任命Robert Johnson领导美洲销售公司prnewswire.com
- 10Anritsu推出Spectrum Master超便携式频谱分析仪prnewswire.com
- 11Anritsu推出ME7848A光电网络分析仪prnewswire.com
- 12Anritsu Introduces Rack Mount Remote Spectrum Monitors with Frequencies Up To 43.5 GHzprnewswire.com
- 13Anritsu Introduces Rubidium™ Signal Generator Family Leading Market In Signal Purity And Frequency Stability With Exceptional Utilityrfglobalnet.com
Cite this profile: Cite the canonical profile. /brand-wiki/anritsu · Editorial policy · How profiles are compiled