Digi International
Digi International is a U.S. industrial Internet of Things and connected-device technology company.
Last updated October 14, 2026
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Overview
Digi International is an American technology company headquartered in Hopkins, Minnesota, that develops connectivity, networking, device-management, and industrial Internet of Things solutions. The company began in 1985 during the expansion of personal-computer networking and bulletin-board systems. Its early products were intelligent multiport serial boards, sold under the DigiBoard name, which allowed PC-compatible computers to support multiple asynchronous serial connections. These products were widely used in applications such as multi-line bulletin-board systems, terminal access, and other forms of early computer communications. Digi became a public company in 1989. During the 1990s, the market for traditional serial expansion boards was gradually reshaped by the growth of the Internet and newer networking technologies. Digi responded by broadening its portfolio beyond PC add-in cards. It acquired businesses involved in networking, embedded computing, wireless communications, connectivity services, and industrial monitoring, while continuing to use its expertise in serial communications as a foundation for network-connected devices. The company’s acquisition program became a central part of its development. In the 1990s, Digi acquired or absorbed businesses including Arnet, Stargate, Milan Technologies, Lan Access, Aetherworks, Centrall Data, and Germany-based ITK International. In 2000 it acquired Inside Out Networks, a Texas company focused on USB connectivity, and later phased out the Inside Out brand. The 2002 acquisition of NetSilicon expanded Digi’s position in embedded processors and systems based on ARM technology. In 2005, Digi added Rabbit Semiconductor, known for embedded processors, modules, and single-board computers, as well as FS Forth-Systeme and Sistemas Embebidos. Digi expanded more directly into wireless and cellular communications through the acquisition of MaxStream in 2006. MaxStream’s technology became associated with Digi’s wireless modules and embedded connectivity products. In 2008, Digi acquired Sarian Systems, a cellular-router manufacturer, and Spectrum Design Solutions, a wireless technology design-services company. Mobiapps, acquired in 2009, added satellite modem capabilities connected to the ORBCOMM satellite network. These transactions helped move Digi from a specialist serial-interface supplier toward a provider of communications hardware and services for distributed assets and machines. The company also pursued cloud-enabled monitoring and vertical applications. Digi acquired Etherios in 2012, adding cloud-computing and device-management capabilities. Beginning in 2015, acquisitions such as Bluenica, FreshTemps, SMART Temps, and TempAlert strengthened Digi’s presence in temperature monitoring and task-management applications used in food service, retail, education, healthcare, and industrial settings. Accelerated Concepts, acquired in 2018, expanded the company’s network-equipment portfolio. Opengear, acquired in 2019, added technology for secure out-of-band management and remote access to network infrastructure. Digi continued to broaden its industrial connectivity platform in the 2020s. It acquired Haxiot, a wireless connectivity provider; Ctek, focused on remote monitoring and industrial controls; and Ventus Holdings, a telecommunications company, in 2021. In 2025, the company acquired Jolt Software for $145.5 million, according to the cited reference material, adding software associated with operational task management and compliance workflows. The reference material also reports a 2026 acquisition of Particle, an IoT hardware and software company; because that event is future-dated relative to much commonly available historical reporting, it should be independently verified before being treated as a completed transaction. Today, Digi’s business is centered on connecting, monitoring, and managing equipment and assets across industrial, transportation, energy, retail, healthca…
History
Digi International was founded in 1985 in the United States and initially developed intelligent expansion boards for personal computers. Its early DigiBoard products provided multiple asynchronous serial interfaces, enabling PC-compatible systems to communicate with numerous terminals or modems. The products became particularly associated with multi-line bulletin-board systems during the early 1990s, when such systems were an important form of computer-mediated communication. Digi went public in 1989. As the bulletin-board and traditional serial-card markets weakened during the growth of Internet-based networking, the company redirected its expertise toward network-connected equipment, embedded computing, wireless communications, and industrial monitoring. It used acquisitions to accelerate this transition. Companies acquired during the 1990s included Arnet, Stargate, Milan Technologies, Lan Access, Aetherworks, Centrall Data, and ITK International in Germany. In 2000, Digi acquired Inside Out Networks, a Texas manufacturer of USB connectivity products, although the acquired brand was later phased out. The acquisition of NetSilicon in 2002 expanded Digi’s embedded-computing capabilities through ARM-based processors and related technologies. In 2005, Digi acquired Rabbit Semiconductor, FS Forth-Systeme, and Sistemas Embebidos, adding embedded processors, modules, single-board computers, and engineering capabilities. Wireless connectivity became increasingly important through the acquisition of MaxStream in 2006. Digi subsequently expanded its cellular and networking portfolio with Sarian Systems and Spectrum Design Solutions in 2008, followed by Mobiapps in 2009. Sarian contributed cellular-router expertise, Spectrum added wireless design services, and Mobiapps brought satellite modem technology associated with the ORBCOMM network. Digi’s strategy later included cloud services and application-specific monitoring. Etherios, acquired in 2012, strengthened cloud-computing and connected-device management. The company acquired Bluenica in 2015 and FreshTemps in 2016, followed by SMART Temps and TempAlert in 2017. These businesses supported temperature monitoring and task-management applications across sectors including food service, retail, education, healthcare, and industry. Accelerated Concepts, acquired in 2018, expanded network-equipment capabilities. In 2019, Digi acquired Opengear, broadening its infrastructure-management and secure remote-access offering. In 2021, it acquired Haxiot, Ctek, and Ventus Holdings, adding wireless services, remote monitoring and industrial controls, and telecommunications capabilities. The company’s later expansion included the reported 2025 acquisition of Jolt Software for $145.5 million. Reference material also reports a 2026 acquisition of Particle, but that transaction should be confirmed independently because it is future-dated relative to much of the available historical record. Digi’s modern identity is that of an industrial IoT and connectivity company. Its products and services connect remote equipment, provide cellular, wireless, serial, satellite, and network access, and help customers monitor and manage distributed assets. Its customer applications span industrial automation, transportation, energy, environmental monitoring, retail operations, healthcare, and commercial infrastructure. Ron Konezny joined Digi in December 2014 and is identified in the reference material as the company’s current president and chief executive officer.
- 2025
Jolt Software is acquired
[1]Digi acquires Jolt Software for a reported $145.5 million, adding operational task-management and compliance software.
- 2021
Haxiot, Ctek, and Ventus Holdings are acquired
[1]Digi expands wireless connectivity, remote monitoring, industrial controls, and telecommunications capabilities.
- 2019
Opengear is acquired
[1]The acquisition strengthens Digi’s secure remote-access and out-of-band infrastructure-management portfolio.
- 2018
Accelerated Concepts is acquired
[1]Digi adds network equipment and related connectivity capabilities.
- 2017
SMART Temps and TempAlert are acquired
[1]Digi expands its monitoring and task-management offerings for retail, education, food service, healthcare, and industrial customers.
- 2016
FreshTemps is acquired
[1]The acquisition adds temperature-monitoring and task-management technology for food-industry applications.
- 2015
Bluenica is acquired
[1]Digi expands into temperature monitoring through the acquisition of Toronto-based Bluenica.
- 2014
Ron Konezny joins Digi
[1]Ron Konezny joins Digi International in December and later serves as president and chief executive officer.
- 2012
Etherios is acquired
[1]The acquisition adds cloud-computing and connected-device service capabilities.
- 2009
Mobiapps is acquired
[1]Digi adds satellite modem technology connected with the ORBCOMM satellite network.
Products and positioning
Digi International positions itself as an industrial connectivity and IoT infrastructure provider. Its value proposition centers on reliable communications between distributed devices, secure remote management, industrial-grade hardware, and software that helps organizations monitor assets and operations.
Multiport serial interface boards
DigiBoard
DigiBoard was Digi’s early signature product family. These intelligent ISA and PCI expansion boards supplied multiple asynchronous serial ports to PC-compatible computers. They were used for terminal access, modem connections, and multi-line bulletin-board systems, and established the company’s original reputation in computer connectivity.
Embedded wireless modules
Digi XBee
The XBee family comprises embedded wireless connectivity modules and development products used to connect sensors, controllers, gateways, and other devices. The line represents Digi’s move from conventional serial expansion hardware toward embedded and industrial wireless communications.
Industrial networking equipment
Digi cellular routers and gateways
Digi’s cellular routers and gateways provide wide-area connectivity for distributed equipment, remote sites, vehicles, and industrial systems. They are designed for applications requiring managed cellular communications, remote access, and integration with sensors or local networks.
IoT device-management software
Digi Remote Manager
Digi Remote Manager is a cloud-based platform for supervising connected devices and communications infrastructure. Its role is to help organizations provision, monitor, configure, update, and troubleshoot distributed Digi equipment from a central service.
Temperature and task monitoring
Digi environmental monitoring solutions
Digi’s environmental monitoring portfolio incorporates capabilities developed through Bluenica, FreshTemps, SMART Temps, and TempAlert. These solutions support temperature monitoring, alerts, inspections, and operational task management in sectors such as food service, retail, healthcare, education, and industry.
Remote network and console management
Digi infrastructure management solutions
Digi’s infrastructure-management offering includes technologies for remote access to network equipment and out-of-band administration. The portfolio was strengthened by the acquisition of Opengear and is intended to help operators maintain connectivity and manage equipment at distributed or difficult-to-reach sites.
Controversies
2022
NimbeLink patent litigation
NimbeLink, an Airgain subsidiary, alleged that certain Digi products infringed patents associated with Skywire cellular modems. In May 2024, the U.S. District Court for the District of Minnesota found all NimbeLink patent claims in the case invalid.
2013
U.S. Ethernet Innovations patent settlement
Digi International settled a patent-infringement lawsuit brought by U.S. Ethernet Innovations. The settlement was reported at $1.525 million. The matter concerned intellectual-property claims rather than allegations of consumer misconduct.
Brand decisions
2025
Acquisition of Jolt SoftwareM&ABackground
Digi sought to add software capabilities to its connected-device and operational technology portfolio.
Action taken
Digi acquired Jolt Software for a reported $145.5 million.
Aftermath
The transaction expanded Digi’s software presence in task management, operational execution, and compliance-related workflows.
Acquisition price. $145.5 million (2025)
2021
Acquisition of Haxiot, Ctek, and Ventus HoldingsM&ABackground
Digi pursued a broader industrial IoT platform combining wireless connectivity, monitoring, controls, and telecommunications.
Action taken
Digi acquired Haxiot, Ctek, and Ventus Holdings.
Aftermath
The acquisitions added wireless connection services, remote monitoring and industrial-control capabilities, and telecommunications operations.
2019
Acquisition of OpengearM&ABackground
Digi was expanding its role in managed industrial and enterprise connectivity, including remote administration of network infrastructure.
Action taken
Digi acquired Opengear, a provider of computer-network technology.
Aftermath
Opengear’s capabilities strengthened Digi’s remote-access and out-of-band infrastructure-management offering.
2012
Expansion into cloud-enabled device managementStrategyBackground
The growth of connected devices increased demand for cloud services that could monitor and manage distributed equipment.
Action taken
Digi acquired Etherios, a cloud-computing services provider.
Aftermath
The transaction supported Digi’s transition from connectivity hardware toward integrated IoT hardware and service offerings.
2008
Acquisitions of Sarian Systems and Spectrum Design SolutionsM&ABackground
Digi sought to broaden its wireless and cellular networking capabilities.
Action taken
Digi acquired cellular-router manufacturer Sarian Systems and wireless technology design-services company Spectrum Design Solutions.
Aftermath
The acquisitions expanded Digi’s cellular-router products and wireless engineering resources.
Sarian Systems acquisition price. $30.5 million (2008)
2006
Acquisition of MaxStreamM&ABackground
Digi needed to extend its historical connectivity expertise into wireless communications and embedded device networking.
Action taken
Digi acquired MaxStream for approximately $38.8 million and incorporated its wireless technology into Digi’s broader portfolio.
Aftermath
The transaction strengthened Digi’s wireless-module and industrial-connectivity business.
Acquisition price. $38.8 million (2006)
Recent events
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