Celestia is a group of multi-technology companies creating turnkey communications solutions for customers worldwide. Our group companies deliver technology products, systems and services across the aerospace, defence, satellite and scientific sectors. We are experts in RF, antennas and turnkey ground stations solutions, G/T boosters for ground stations, satellite ground communications, satellite testing and operation, and high throughput multibeam gateways. Our European businesses include Celestia Callisto, Celestia Antwerp, Celestia-STS and Celestia UK. Celestia TTI develops leading-edge solutions in radiofrequency, including GaN SSPAs, LNAs, cryo-LNAs and transceivers as well as in antennas, for RF passive components, flat panels and phase array antennas, with over 25 years’ experience in the satellite and space industry. Our solutions are crafted in Europe and delivered across the globe. Together, we are your ground segment technologies partner.
Cassiopeia Space Systems Inc.
Next Generation SATCOM: Cassiopeia Space Systems is proud to introduce two next-generation SATCOM antenna platforms, Mantis and Python, engineered to deliver reliable, high-performance communications in the world’s most demanding environments. Designed for defense, maritime, and mission-critical applications, these advanced antenna systems combine innovative engineering, operational durability, and flexible architecture to support the rapidly evolving demands of modern satellite communications.
Calian
Calian is a trusted partner for space mission success, delivering end-to-end expertise across the full space lifecycle. From mission engineering and satellite operations to ground systems, orchestration and advanced software and satcom products, Calian helps government and commercial customers plan, launch, operate and sustain space missions with confidence. With decades of experience supporting complex, safety-critical programs, Calian combines deep technical knowledge with proven operational excellence. Our teams work seamlessly with clients to solve challenges in dynamic space environments, enabling reliable performance, resilient operations, and informed decision-making. Customers come to Calian when they can’t afford to fail.
Calian Meeting Suite
Calian is a trusted partner for space mission success, delivering end-to-end expertise across the full space lifecycle. From mission engineering and satellite operations to ground systems, orchestration and advanced software and satcom products, Calian helps government and commercial customers plan, launch, operate and sustain space missions with confidence. With decades of experience supporting complex, safety-critical programs, Calian combines deep technical knowledge with proven operational excellence. Our teams work seamlessly with clients to solve challenges in dynamic space environments, enabling reliable performance, resilient operations, and informed decision-making. Customers come to Calian when they can’t afford to fail.
Blue Marble Communications
Blue Marble Communications (BMC) designs and manufactures high-performance RF, free-space optical, and network communications modules and systems for deployment onboard satellites and other space vehicles.
BKTEL Photonics
BKTEL Photonics is specialized in developing Fiber Optical Amplifiers and Fiber lasers. Targeted markets span from LIDAR, telecommunication, cable TV, FTTH, military, medical, aerospace and laboratory applications. Its activities are built on more than 20 years of experience in engineering high-end active devices for performing light generation and amplification. | BKtel photonics is a leading manufacturer of fiber amplifiers and fiber lasers for LIDAR, telecommunication, cable TV, FTTH, military, medical, aerospace and laboratory applications. Our products include a wide range of platforms in the 1µm, 1.5µm and 2µm bands. The BKtel Photonics team background consists of experience in engineering high end active devices for performing light generation and amplification in optical fibers. We seek to develop innovative products that focus on fiber optics and are controlled by intelligence (embedded electronics and software). The Company products are divided into three families: Fiber amplifier modules, Fiber laser modules, Turnkey solutions for lasers or amplifiers.
Bascom Hunter Technologies, Inc.
Bascom Hunter supplies the defense market with class-leading advanced electronics for applications in artificial intelligence (AI), signal intelligence, resilient communications, and signal processing. Our Defense Electronics Group provides highly customized solutions expertly designed for the challenges facing our warfighters. Product lines include Advanced Systems, RF Front Ends, Mixed Signal Products and Digital Products.
AvL Technologies
AvL Technologies designs and produces mobile satellite antennas, terminals and positioner systems. AvL’s robust terminals combine rugged packaging, stout wind performance, ease of operation and 24/7/365 customer support. AvL leads the industry in the delivery of systems that operate with the next generation of military satellites, including Xtar and WGS.
ANRITSU CORPORATION
Anritsu is a provider of innovative communications test and measurement solutions. Anritsu engages customers as true partners to help develop wireless, optical, microwave/RF, and digital solutions for R&D, manufacturing, installation, and maintenance applications, as well as multidimensional service assurance solutions for network monitoring and optimization. Anritsu also provides precision microwave/RF components, optical devices, and high-speed electrical devices for communication products and systems. The company develops advanced solutions for emerging and legacy wireline and wireless technologies used in commercial, private, military/aerospace, government, and other markets. | Anritsu Corporation is a global provider of innovative communications test and measurement solutions for 130 years. The company develops advanced solutions for 5G, M2M, IoT, as well as other emerging and legacy wireline and wireless communication markets. | Anritsu provides innovative communications test and measurement solutions, and develops wireless, optical, microwave/RF, and digital solutions for R&D, manufacturing, installation, and maintenance applications. Anritsu also provides precision microwave/RF components, optical devices, and high-speed electrical devices. The company develops advanced solutions for commercial, private, military/aerospace, government, and other markets. | Anritsu offers a broad spectrum of products spanning research, development, conformance testing, optimization, and service assurance. Renowned for crafting exceptionally reliable instruments, backed by an extensive global support network, we are unwavering in delivering unparalleled customer experiences. With a rich legacy, Anritsu has pioneered RF and microwave technologies across communication, aerospace, defense, and education. This legacy endures, which is evident in our current leadership across critical domains, ranging from LTE to Vector Network Analysis. Benefiting from our extensive expertise, Anritsu provides distinctive solutions derived from our proficiency in these realms. Collaborations with global telecom leaders and engagement in standards organizations empower us to present the most comprehensive array of available test, measurement, and service assurance solutions. Our portfolio encompasses wireless, optical, microwave/RF, digital instruments, and operational support systems.
ALNAIR CORPORATION
Alnair Corporation is a Japan-based photonics and satellite-communication technology company specializing in high-performance optical components and subsystems for space and terrestrial applications. With more than two decades of engineering experience, Alnair designs and manufactures space-grade optical amplifiers, narrow-linewidth lasers, optical testers, and integrated photonic modules for laser communication, satellite payloads, and advanced telecom systems. Our solutions support LEO, MEO, and ground-to-space links, emphasizing reliability, compact design, and “Japan Quality” manufacturing standards. In addition to in-house R&D, Alnair works closely with global partners to deliver customized, mission-ready solutions—from discrete components to integrated optical terminals. Alnair is committed to enabling next-generation optical communication infrastructure for space, defense, and high-speed data networks.