Cambium Networks
Cambium Networks is a U.S. networking-equipment company specializing in fixed wireless broadband, enterprise Wi-Fi, switching, and cloud-managed network infrastructure.
Last updated October 17, 2026
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Overview
Cambium Networks Corporation is an American communications-technology company that supplies wireless and wired networking equipment for broadband providers, enterprises, public-sector organizations, and managed service providers. Its portfolio spans fixed wireless access, point-to-point and point-to-multipoint radio systems, indoor and outdoor Wi-Fi, Ethernet switching, and cloud-based network-management software. The company is particularly associated with networks that extend internet access to rural, remote, suburban, and dense urban locations where fiber deployment is difficult, slow, or uneconomic. Cambium was formed in 2011 when Motorola Solutions separated and sold its Canopy broadband-wireless business and the Orthogon Systems point-to-point operation. The Canopy heritage became the foundation for Cambium's point-to-multipoint portfolio, while Orthogon technology supplied the company's point-to-point backhaul products. Over time, Cambium expanded those inherited businesses into three broad fixed-wireless families: point-to-point, point-to-multipoint, and ePMP. These systems are used by wireless internet service providers and other network operators to connect homes, businesses, schools, healthcare facilities, campsites, RV parks, and holiday parks. The company's fixed-wireless products use proprietary or heavily optimized radio protocols designed for long-distance operation, interference management, traffic scheduling, frequency reuse, and GPS synchronization. Depending on spectrum, antenna configuration, terrain, and deployment design, the systems can cover links ranging from local access areas to many kilometers. Cambium's cnWave portfolio extends the fixed-wireless strategy into multi-gigabit millimeter-wave and Terragraph-related deployments, targeting high-capacity access in locations where trenching fiber is impractical. The company also sells more conventional Wi-Fi products, including enterprise access points, cloud-managed WLAN systems, and Wi-Fi 6 and Wi-Fi 6E equipment. Cambium expanded its enterprise networking position through the 2019 acquisition of Xirrus from Riverbed Technology. Xirrus brought high-density Wi-Fi expertise and enterprise wireless products that complemented Cambium's established outdoor broadband business. Cambium subsequently developed an integrated approach combining access points, switches, fixed-wireless radios, and cloud management. Its cnMaestro management platform is designed to give operators a centralized way to provision, monitor, and troubleshoot distributed networks. Cambium listed on Nasdaq in 2019, raising approximately $70 million in its initial public offering under the ticker symbol CMBM. Its customers and partners include broadband operators, managed service providers, enterprises, education and healthcare institutions, and public-sector networks. The company reported that by 2021 it had shipped more than 10 million radios. Its market position is based on offering a scalable alternative to wired broadband and traditional cellular infrastructure, particularly for operators that need to serve dispersed populations or challenging terrain. Fixed wireless remains subject to line-of-sight, spectrum, interference, weather, and capacity constraints, and where fiber is available, wired networks can deliver higher and more consistent capacity. Nonetheless, Cambium has carved out a specialist position in broadband access and enterprise connectivity by combining long-range radio systems with Wi-Fi, switching, and cloud management.
History
Cambium Networks emerged from the separation of Motorola's broadband-wireless businesses in 2011. Motorola Solutions sold the Canopy fixed-wireless operation and the Orthogon Systems point-to-point business, creating an independent company focused on broadband access and wireless networking. Canopy had originated as a proprietary wireless broadband platform for connecting subscriber premises to base stations, while Orthogon supplied point-to-point radio links used for backhaul and transport. Cambium retained both technology lineages and organized them into complementary product families. The inherited Canopy business became the basis for Cambium's point-to-multipoint portfolio. In a typical deployment, sector access points communicate with subscriber modules installed at customer locations, while separate radio links provide backhaul to the wider network. The architecture is designed for wireless internet service providers that need to serve multiple premises from strategically positioned towers or elevated sites. The company also continued the Orthogon-derived point-to-point range for dedicated high-capacity links between network sites. Cambium expanded the technology through successive generations of PMP and PTP products and introduced ePMP as a value-oriented family based on commodity wireless chipsets combined with Cambium software and scheduling techniques. Its fixed-wireless systems emphasized synchronized transmission, frequency reuse, interference resistance, traffic polling, and long-distance operation. Product families supported different frequency bands, including sub-gigahertz and 2.4 GHz and 5 GHz spectrum, allowing operators to balance propagation, capacity, antenna size, and interference conditions. The lower-frequency products could be useful in rural or obstructed environments, although spectrum congestion and installation requirements remained important constraints. The company gradually broadened beyond outdoor broadband radios. It developed enterprise Wi-Fi access points, cloud management, and switching products, seeking to offer operators and organizations a more unified network stack. The acquisition of Xirrus from Riverbed Technology in 2019 added enterprise Wi-Fi technology and strengthened Cambium's presence in high-density WLAN environments. Cambium's management software, including cnMaestro, became an important part of the company's proposition by allowing distributed radio, Wi-Fi, and switching deployments to be monitored and administered from a centralized platform. Cambium completed its initial public offering in June 2019 and began trading on the Nasdaq under the symbol CMBM. The offering raised approximately $70 million. Later in 2019, the Xirrus transaction expanded its enterprise portfolio. In 2020, Cambium collaborated with Facebook on Terragraph-related mesh networking, applying millimeter-wave technology to high-capacity fixed-wireless access scenarios where deploying fiber was not practical. The resulting cnWave direction complemented, rather than replaced, Cambium's longer-established sub-6 GHz and point-to-point businesses. By 2021, Cambium stated that it had shipped more than 10 million radios. Its systems were being used across broadband-provider, managed-service, education, healthcare, hospitality, campground, and public-sector settings. The company also received recognition from members of the Wireless Internet Service Providers Association, who voted it Manufacturer of the Year for several consecutive years from 2017 through 2020. Cambium's competitive environment includes Wi-Fi, WiMAX-derived systems, LTE and 5G fixed wireless, satellite broadband, and wired broadband. Its proprietary long-range protocols can provide predictable scheduling and strong interference management, but they require specialized equipment and are less universally interoperable than standard Wi-Fi. Fixed wireless is also affected by terrain, line of sight, vegetation, spectrum availability, antenna movement, and weather. Where fiber is readily available, wired access generally offers greater capacity and lower propagation delay. Cambium's continuing role is therefore strongest in situations where deployment speed, reach, cost, or geography make a wireless access layer attractive. The company now presents itself as a broader connectivity platform combining fixed wireless, enterprise WLAN, switching, and cloud operations.
- 2022
Spectralink interoperability certification
[7]Spectralink certified interoperability between its Wi-Fi handsets and Cambium access points.
- 2021
Radio shipments exceed 10 million
[1]Cambium reported cumulative shipments of more than 10 million radios.
- 2020
Terragraph collaboration expands the high-capacity fixed-wireless portfolio
[3]Cambium collaborated with Facebook on Terragraph mesh networking for locations where fiber installation is difficult.
- 2019
Cambium completes its Nasdaq initial public offering
[6]Cambium listed on Nasdaq under CMBM and raised approximately $70 million in its IPO.
- 2019
Xirrus joins Cambium Networks
[3]Cambium acquired Xirrus from Riverbed Technology, broadening its enterprise Wi-Fi capabilities.
- 2017
WISPA members recognize Cambium as Manufacturer of the Year
[1]Wireless internet service provider association members began a run of annual recognition for Cambium's contribution to the WISP market.
- 2011
Cambium Networks is created through a Motorola business separation
[1]Motorola Solutions sold its Canopy and Orthogon businesses, establishing Cambium as an independent wireless-networking company.
- 2006
Motorola acquires Orthogon Systems
[1]Motorola acquired Orthogon Systems, whose point-to-point wireless technology later became part of Cambium Networks' backhaul portfolio.
Products and positioning
A specialist provider of scalable wireless broadband and enterprise networking infrastructure, positioned between conventional wired access and cellular alternatives, with particular strength in rural, remote, difficult-to-wire, and high-density deployments.
Point-to-multipoint fixed wireless broadband
PMP 450
The PMP 450 family is Cambium's established carrier-oriented point-to-multipoint platform. It connects subscriber modules to sector access points and is designed for broadband providers serving residential, business, rural, and remote customers. The family has supported multiple spectrum bands and progressively higher-capacity radio configurations, including multi-user MIMO variants. Its principal value is scheduled, interference-aware access from a shared base station rather than a collection of unmanaged Wi-Fi links.
Value-oriented fixed wireless broadband
ePMP
ePMP is Cambium's cost-conscious fixed-wireless product family for wireless internet service providers and enterprise operators. It uses widely available wireless hardware together with Cambium software and radio scheduling to support point-to-multipoint access, frequency reuse, and interference management. The line is intended for deployments that need economical equipment and practical throughput across rural, suburban, and small-provider networks, while retaining more operator control than ordinary consumer Wi-Fi equipment.
Point-to-point wireless backhaul
PTP 550
PTP 550 is a point-to-point wireless platform for connecting towers, buildings, campuses, and other network sites. It is intended to provide high-capacity transport where leased lines or fiber are unavailable, delayed, or too expensive. The product belongs to Cambium's newer point-to-point direction and complements the company's access radios by carrying aggregated traffic between distribution points and upstream network locations.
Point-to-point wireless backhaul
PTP 650 and PTP 670
The PTP 650 and PTP 670 families are long-range point-to-point radio systems descended from the Orthogon Systems business. They are used for broadband backhaul, enterprise connectivity, public-sector links, and network extension. Their design prioritizes throughput, link reliability, spectrum efficiency, and operation across challenging radio environments. They can be deployed as dedicated links between network sites rather than as shared subscriber-access sectors.
Multi-gigabit fixed wireless access · 2020
cnWave
cnWave is Cambium's multi-gigabit fixed-wireless platform, associated with millimeter-wave and Terragraph-related mesh networking. It targets dense urban, suburban, and campus-like deployments where operators need fiber-class wireless capacity but face construction, permitting, or geographic obstacles. The platform can use a mesh-oriented architecture to distribute traffic across multiple radio nodes and extend high-capacity access without requiring a fiber connection to every endpoint.
Enterprise wireless LAN
cnPilot and enterprise Wi-Fi
Cambium's enterprise Wi-Fi portfolio includes indoor and outdoor access points for offices, education, healthcare, hospitality, public venues, and service-provider-managed networks. The portfolio has expanded to include Wi-Fi 6 and Wi-Fi 6E capabilities. These products are designed to work with centralized cloud administration and Cambium's broader networking stack, allowing operators to combine WLAN access with fixed wireless, switching, policy, and monitoring functions.
Cloud network management
cnMaestro
cnMaestro is Cambium's cloud-based and centralized network-management platform. It provides provisioning, configuration, monitoring, inventory, and troubleshooting functions across supported Cambium radios, access points, and related infrastructure. The platform is important to Cambium's managed-network strategy because it allows service providers and distributed organizations to operate geographically dispersed deployments without administering every radio or access point independently.
Network switching
Cambium enterprise switches
Cambium's switching products provide wired Ethernet connectivity for enterprise and service-provider networks and are designed to complement its Wi-Fi and fixed-wireless equipment. Managed through the company's broader software environment, the switches support the construction of integrated access networks in which radios, wireless access points, and wired aggregation can be administered as parts of a common deployment rather than as isolated product silos.
Brand decisions
2020
Extend the portfolio through Terragraph collaborationProduct launchBackground
Operators needed high-capacity wireless access in locations where full fiber construction was not feasible.
Action taken
Cambium collaborated with Facebook to incorporate Terragraph mesh-networking technology into its fixed-wireless direction.
Aftermath
The collaboration supported the cnWave proposition and expanded Cambium's addressable use cases toward multi-gigabit urban and suburban access.
2019
Acquire XirrusM&ABackground
Cambium sought to strengthen its enterprise wireless LAN business beyond its traditional outdoor broadband and backhaul markets.
Action taken
Cambium acquired Xirrus from Riverbed Technology.
Aftermath
The transaction added high-density enterprise Wi-Fi capabilities and supported Cambium's strategy of combining WLAN, fixed wireless, switching, and cloud management.
2019
Become a public companyStrategyBackground
Cambium pursued access to public-market capital while continuing to expand its networking portfolio.
Action taken
The company completed an initial public offering on Nasdaq under the symbol CMBM.
Aftermath
The IPO raised approximately $70 million and gave Cambium a publicly traded equity currency for future corporate development.
IPO proceeds. Approximately $70 million raised (June 2019 initial public offering)
2011
Build an independent wireless-broadband company from Motorola assetsStrategyBackground
Motorola Solutions divested the Canopy and Orthogon businesses, giving the new company established fixed-wireless access and point-to-point technology.
Action taken
Cambium organized the inherited technologies into point-to-multipoint, point-to-point, and later ePMP product families.
Aftermath
The decision established fixed wireless as Cambium's core market and provided the foundation for later expansion into enterprise Wi-Fi, switching, and cloud management.
Recent events
Reported
Univastu completes acquisition of Cambium Networks ePMP and Enterprise Wi-Fi business assets[8]
Univastu India Limited announced on Thursday that its wholly owned UK subsidiary Univastu UK Limited completed the acquisition of specified assets of Cambium Networks Limited (in administration), covering the ePMP fixed wireless broadband and Enterprise Wi-Fi and switching businesses. The acquisition completed on October 13, 2026 under a final Business Sale Agreement executed with the Joint Administrators of RSM UK Restructuring Advisory LLP. Univastu will operate the acquired business under the Cambium Networks brand and describes the deal as a step in its expansion into the global telecom technology market.
Weekdays and relative dates follow the original report; their exact calendar dates have not been verified.
- Unconfirmed
Reported
Cambium Networks launches cnMaestro MarketApps Hub[9]
Cambium Networks announced cnMaestro MarketApps Hub, an open marketplace of purpose-built web apps that extend cnMaestro, its centralized network management system. The platform is available now with Certified apps for Wi-Fi onboarding, network provisioning, and device installation, plus ten new Labs apps, with Partner, Community, and Private app classes rolling out soon.
Reported
Cambium Networks announces Wi-Fi 6E XE-series solutions[10]
Cambium Networks announced new enterprise Wi-Fi 6E solutions in its XE series, including the XE3-4 and XE5-8 access points. The company stated that the XE3-4 would be available in Q1 2022 and the XE5-8 in Q2 2022.
Reported
Cambium Networks launches ConnectedPartner program for MSPs[11]
Cambium Networks announced a new ConnectedPartner program that enables managed service providers to offer its wireless networking solutions and provides tools and support for procuring, installing and managing services.
Reported
Cambium Networks introduces Wi-Fi 6 products and channel partner tools[12]
Cambium Networks introduced programs and tools to help partners, distributors and managed service providers grow revenue and transition enterprise customers to Wi-Fi 6. The offering includes an upgraded partner portal, a TCO Profiler, a Wi-Fi 6 starter kit, channel sales and marketing resources, training and demonstration capabilities, and new Wi-Fi 6 access points, switches and cloud software.
Reported
IonQ raises additional Series B funding[13]
IonQ announced about $7 million in additional funding as an extension of its previously announced Series B round, bringing total investment in the company to $84 million. The new funding included strategic investments from Lockheed Martin, Robert Bosch Venture Capital and Cambium.
Sources13 sources
- 1Cambium Networksen.wikipedia.org
- 2Cambium Networks investor relationsinvestors.cambiumnetworks.com
- 3Cambium Networks newscambiumnetworks.com
- 4Cambium Networks managementinvestors.cambiumnetworks.com
- 5Cambium Networks product portfoliocambiumnetworks.com
- 6Cambium completes its Nasdaq initial public offeringinvestors.cambiumnetworks.com
- 7Spectralink interoperability certificationspectralink.com
- 8Univastu 完成对 Cambium Networks ePMP 及企业级 Wi-Fi 业务资产的收购dailypioneer.com
- 9Cambium Networks 推出 cnMaestro MarketApps Hubthefastmode.com
- 10Cambium Networks 发布 Wi-Fi 6E XE 系列解决方案prnewswire.com
- 11Cambium Networks推出面向托管服务提供商的ConnectedPartner计划prnewswire.com
- 12Cambium Networks推出Wi-Fi 6产品及渠道合作伙伴工具prnewswire.com
- 13IonQ追加Series B融资techcrunch.com
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