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CesiumAstro

Aerospace and Defense Technology Austin, Texas, United States

Founded

Employees

Total Funding

$735.0M

Funding Rounds

Last Funding

2026-02-02

About CesiumAstro

CesiumAstro builds high-throughput, plug-and-play phased array communication payloads for space and airborne platforms. Their full-stack hardware and software products support a diverse range of commercial and defense objectives, focusing on revolutionizing space connectivity with flexible, software-defined solutions.

Products & Services

Element Satellite:A fully integrated LEO satellite designed for unparalleled flexibility across diverse mission types, enhancing space connectivity.

Vireo:A multi-beam communications payload with capabilities like beam steering, dynamic frequencies, power per beam, beam shaping, and null assignment.

Transceiver:A component of multi-beam payloads for communication systems.

Skylark:A multi-beam payload system for high-throughput communication.

Nightingale:A single-beam payload system for communication purposes.

Nightingale Development Kit:A development kit for the Nightingale single-beam payload system.

Software-Defined Radio (VPX and SDR-1001):Modular software-defined radio systems for customizable communication solutions.

Reconfigurable Digital Processor (VPX):A digital processor module for flexible payload configurations.

Power Supply Module (VPX):A power supply unit for VPX-based systems.

Single-Board Computer (SBC-1461):A compact computer module for payload systems.

Power Conditioning Unit (PCU-2812):A unit for managing power in communication systems.

Up/Down Converter (UDC-1AT1):A converter module for signal processing in communication payloads.

Active Phased Array Payloads:Modular, scalable systems supporting high-throughput communication from L- to V-bands.

Digital Backend Modules:Modules supporting high-throughput communication needs for phased array systems.

skylark

vireo (ka-576, ka-288)

nightingale

rpu

sdr-3104

sdr-2104

sdr-2051

sdr-1001

rdp-23fv

psm-28c531

sbc-1461

Specialties

Phased Array Communication Payloads Software-Defined Communication Systems Multi-Beam and Single-Beam Payloads Space Connectivity High-Throughput Communication Systems software-defined crosslinks high-throughput downlinks forward links and relays adaptive multi-beam technology 5G NTN connectivity modem-agnostic multi-orbit SATCOM

Funding History

Debug: View Raw Funding Data

#	Type	Amount Fields	Date Fields	Investors
1	RT: Series C T: - FT: Series C	A: 470000000 MR: - FA: $470 million FAN: 470000000	D: 2026-02-02 FD: 2026-02-02	9 investors
2	RT: Debt T: - FT: Debt	A: 200000000 MR: - FA: 200 million FAN: 200000000	D: 2026-01-15 FD: 2026-01-15	2 investors
3	RT: Series B+ T: - FT: Series B+	A: 65000000 MR: - FA: 65 million FAN: 65000000	D: 2024-06-18 FD: 2024-06-18	10 investors

Series C Latest

2026-02-02

$470.0M

9 investors (Pro only)

Debt 2026-01-15

$200.0M

Series B+ 2024-06-18

$65.0M

View 2 more funding rounds with Pro

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Growth Metrics

+45%

Employee Growth

YoY

3.2x

Funding Growth

Last Round

Markets

Operating

10K+

Customers

Active

View 3 more growth metrics with Pro

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Team & Leadership

No team data available

Team information is not yet available for this company

Key Competitors

Competitor Alpha

Series B · $50M raised

Competitor Beta

Series C · $120M raised

Competitor Gamma

Series A · $25M raised

Competitor Delta

Seed · $10M raised

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Company Details

Website: cesiumastro.com
Industries: Aerospace and Defense Technology
Locations: Austin, Texas, United States

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Technology Stack

Discover the backend, frontend, and infrastructure technologies powering this company's products.