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CesiumAstro builds high-throughput, plug-and-play phased array communication payloads for space and airborne platforms. Cesium’s full-stack, multi-mission hardware and software products enable a diverse range of commercial and defense objectives. They offer a suite of scalable products from discrete modules to complete software-defined payloads that work out of the box. The integrated product line ranges from single-beam downlink solutions to multi-beam, full-duplex communication payloads.

Multi-Beam Communications Payload

The global demand for data has never been higher. Optimize throughput with our modular and scalable payloads. Cutting-edge power and bandwidth allocation optimize your satellites resources.

Vireo

Multi-Beam Ka-Band Communications Payload

Vireo is a multi-beam active phased array system for high-throughput satellites. The design addresses the state-of-the-art performance requirements for constellations under aggressive SWaP-C targets.

Transceiver

Multi-Channel Software-Defined Radio and Processor

Vireo is a multi-beam active phased array system for high-throughput satellites. The design addresses the state-of-the-art performance requirements for constellations under aggressive SWaP-C targets.

Skylark

Scalable Multi-Beam Communications Payload

Deliver always-on connectivity to space, air, and ground platforms with CesiumAstro’s Skylark terminal. The flat-panel AESA provides reliable, high-speed throughput with zero moving parts. Multiple beams provide seamless hand-off between multiple constellations and multiple orbits.

Single-Beam Communications Payload

Our Nightingale payloads are enabling positioning, navigation, and timing (PNT) and tactical intelligence, surveillance, and reconnaissance (TacISR).

Nightingale

Steerable Single-Beam Communications Payload

Nightingale is a complete plug-and-play communications system combining a cutting-edge software-defined radio with an ultra-wideband phased array antenna, offering a wide choice of communications protocols and dynamic reconfigurability of the system.

Nightingale Development Kit

Scalable Multi-Beam Communications Payload

Deliver always-on connectivity to space, air, and ground platforms with CesiumAstro’s Skylark terminal. The flat-panel AESA provides reliable, high-speed throughput with zero moving parts. Multiple beams provide seamless hand-off between multiple constellations and multiple orbits.

Payload Modules

Our modules are designed to be used as standalone products or with other CesiumAstro components. Their Lego-like design allows for flexible architectural and system design to scale the needs of your mission.

SDR-1001

Software-Defined Radio

A high-performance, compact software-defined radio designed to operate in LEO environments.

SBC-1461

Single-Board Computer

A credit-card-sized single-board computer designed to operate in LEO environments with integrated communications and security features. The module features a quad-core processor, error-correcting code memory, mass storage, redundancy, and multiple data interfaces in a compact form-factor.

UDC-1AT1

Up/Down Converter

A wideband up/down converter designed to operate in LEO environments with an onboard frequency synthesizer and low power consumption. Supports TDD up and down conversion with 1 Ghz of instantaneous bandwidth. Combine IF channels for further flexibility.

SDR-2104

Space VPX Software-Defined Radio

A high-performance SDR, multi-gigabit-per-second software-defined radio in a ruggedized 3U Space VPX form factor for airborne, LEO, GEO, Lunar, and deep-space missions.

RDP-23FV

Space VPX Reconfigurable Digital Processor

A high-performance digital processor designed to meet the demands of next-generation aerospace missions. Built around Xilinx Versal Prime (1802) and Versal AI Core (1902) FPGAs, the RDP-23FV delivers powerful computing, AI-driven processing, and reconfigurable flexibility—all in a compact, flight-ready package.

PSM-28C531

Space VPX Power Supply Module

The PSM-28C531 ensures that Space VPX-based systems have a reliable and robust power source, meeting the stringent requirements of high-reliability, rugged applications.

Featured Products

Systems

NIGHTINGALE I - Ka-Band High-Speed Downlink Payload

The Nightingale I is a complete, plug-and-play communication system. The module combines a cutting-edge software-defined radio with an ultra-wideband, phased array antenna, offering a wide choice of communication parameters and dynamic reconfigurability of the system.

COMMPACK - Cross-link Communications Payload

The CommPack Cross-link Communications Payload uses building blocks from Cesium’s modular device ecosystem to enable mobile ad-hoc networking in space. This swarm technology is paving the way for future small satellite missions to the Moon, Mars, and beyond.

VIREO - Multi-beam Active Phased Array System

The Vireo is a multi-beam active phased array system for high-throughput satellites. The design addresses the state-of-the-art performance requirements for constellations under aggressive SWaP-C targets.

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Modules

Application Highlights

Define your payload requirements and Cesium will configure a mission-ready solution customized to your application utilizing Cesium’s full-stack modular product line.

Cesiums full-stack modular communications systems
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Cesium Lunar Comms

Active Phased Array Payload Development for Lunar Exploration, Connectivity, & Sensing

CesiumAstro, Inc., with support from The National Aeronautics and Space Administration (NASA), is accelerating radio frequency (RF) active phased array antenna development enabling dual function communications and sensing for lunar and cislunar applications across common Ka-band, TDRS (Tracking and Data Relay Satellite), and 5G mmWave frequency bands. “CesiumAstro is building affordable, scalable antenna solutions that will form the backbone of a robust lunar communications infrastructure.”
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S-BAND Inter-Satellite Link with Software-Defined Capability

CesiumAstro, Inc. released of the S-Band CommPack Inter-Satellite Link (ISL) for commercial, government and defense applications, built to NASA GEVS standards and available in volume. Designed for swarm operation and formation flying, CesiumAstro’s CommPack supports mobile ad-hoc networking (MANET) protocol to enable flexible flight scenarios for both small satellite and cube satellite applications. Multiple antenna support can provide full spherical coverage around the spacecraft.
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Cesium Satellites

Next-Generation Active Phase Array Experimental Satellites

Pictured: Cesium Satellites 1 and 2 deployed from the U.S. Space Force’s Landsat-9 Evolved Expendable Launch Vehicle Secondary Payload Adapter (ESPA) Flight System (EFS). CesiumAstro, Inc. has successfully deployed of its first two satellites featuring their leading-edge communications payloads aboard a United Launch Alliance Atlas V-401 rocket. Dubbed Cesium Mission 1(CM1), the duo of satellites will provide an on-orbit testbed for next generation wireless communications and sensing technologies.
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Space Qualified Software-Defined Radio with Open Reconfigurable FPGA

CesiumAstro provides the flight-ready SDR-1001 credit-card-sized modular software-defined radio (SDR) for commercial, government and defense applications, tested to NASA GEVS standards and available in volume. Featuring 4 TX and 4 RX channels tunable from 300 MHz to 6 GHz, the SDR-1001 ships with a default BPSK/QPSK modem and optional FPGA Developer Toolkit enabling custom waveform development. Designed to meet the demanding requirements for launch, as well as the extreme conditions of space and airborne environments, the SDR-1001 integrates a flexible RF front-end with high-performance FPGA to support a 5-to-7-year mission duration.
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Company Overview

Founded in 2017, CesiumAstro is a rapidly-growing aerospace company headquartered in Austin, Texas, with a second office location in the Denver area. The Cesium team consists of over 75 engineers, designers, scientists, and business professionals who are skilled in the design, development, manufacturing, and qualification of complex communication systems. Cesium believes that effective hardware solutions should not require added engineering from our customers, enabling them to focus on their core mission.

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ISAAC JAMES

Inside Sales Engineer
Office Phone: 469-500-0843
Email: [email protected]

Isaac was born and raised in Plano, TX. After graduating cum laude from Texas A&M University with a Bachelors in Industrial Distribution, Isaac is now conveniently located in the VMA Plano office. Isaac is known for having an extensive work history, a positive attitude, and proactive work ethic. He is driven by curiosity, competition, and the thrill of seeing everyone succeed. Outside of the office, Isaac enjoys quality time with his family, going to the gym, playing with his 2 dogs, nerding out over tv shows, and playing/watching competitive sports – mostly Basketball.

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Natalie Myers

Senior Sales Administration
Phone: 480-345-6449
Email:  [email protected]

Natalie Myers joined Vic Myers Associates in September 2021 and is excited to be part of the team. She received her bachelor’s in business administration from the University of Phoenix and prior to her position as Inside Sales Administration she worked in the Hospitality Industry for over 15 years as a Senior Sales Administrator. In her free time, she enjoys spending time with her husband, daughter, family and friends along with watching sporting events, traveling, hiking and cheering on her daughter in dance and basketball! Natalie is located in our Arizona office.

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TAYLOR GAUNTT

Field Sales Engineer
Cell Phone: 972-689-3293
Email: [email protected]

Taylor is a Texas native, and grew up in the small town of Boerne, Texas.  He attended Texas A&M University, where earned his bachelor’s degree in Engineering.  After college he was recruited by a Manufacturer’s Rep Firm, where he spent the first 7 years of his career. Initially hired on as an inside salesperson, Taylor quickly accelerated within the organization and expanded into various other roles such as Distribution Manager, and Field Sales Engineer.  Taylor then spent the following 7 years working for an electronic component distributor named Electro Enterprises that almost exclusively supported the mil/aero market.

Taylor worked as a Field Sales Engineer supporting the Texas, Utah and New Mexico territory, Product Manager, as well as Director or Business Development where he managed a team of 10 Field Sales Professionals across the entire United States.  Gathering from his previous experiences, Taylor has now taken on the role of Field Sales Engineer with Vic Myers supporting the Texas, Oklahoma, Louisiana, and Arkansas territory.  Outside of the office you will usually find Taylor either spending time with his wife and two young children, or out on the lake bass fishing.

RICHARD MENDEZ

Sales Engineer
Cell Phone: 602-761-0273
Email: [email protected]

Richard was born and raised in Arizona. Attended Arizona State University with a focus in Mechanical Engineering and then fell into Technical Project Management. After 12 years of managing large budget projects spanning system integrations and upgrades, he transitioned into the role of Field Sales Engineer with VMA.

Richard has a deep passion for building relationships with his clients and principals, and supporting them to problem solve and develop innovative solutions. Outside of the office, Richard can be found volunteering as a mentor and coach of high school students at his church, running and hiking the extensive trails of Arizona, and spending time with his wife, 2 boys, 2 girls, and 2 grandkids. Richard is located in our Arizona office.

TARIN SCHONCHECK

Sales Administration
Cell Phone: 480-345-6449
Email: [email protected]

Tarin was born and raised in Wisconsin, graduated from the University of Wisconsin-Stout and received a Bachelor of Science degree in Business Administration. Prior to Vic Myers she worked in the hospitality industry 20+ years as a Sales Analyst/Administrator.

In her spare time, Tarin enjoys spending time with her family, traveling to historical sites throughout the United States, reading, going to movies and concerts. On the weekends you will find Tarin at her nephews’ band concerts and baseball games. In addition, music and dance have been a part of her life with musical contrasting influences ranging from Prince to Olivia Newton-John.  Tarin is located in our Arizona office.