Advanced EHF Payloads (AEHF)

Product catalog summary

Overview: The Advanced Extremely High Frequency (AEHF) system is the next-generation military communication network designed to provide survivable, protected, and assured communications for U.S. forces and selected allies globally. It offers enhanced capacity and flexible coverage compared to its predecessor, Milstar, while maintaining compatibility with the Milstar constellation.

Key Features:

Capacity and Coverage: AEHF provides greater capacity and flexible coverage, ensuring operational continuity and connectivity on demand. It supports data rates up to 8.192 Mbps per user.
Security and Reliability: The system uses EHF frequencies, onboard digital processing, and highly directional antennas to minimize jamming and interception risks, ensuring secure communications.
Interoperability: AEHF is compatible with existing terminals and will support future terminals, facilitating seamless integration into current and future military operations.
Global Connectivity: Satellite crosslinks enable flexible global communications without the need for fixed ground gateways, allowing rapid deployment across various platforms, including airborne, maritime, vehicular, and portable terminals.

Technical Specifications:

Frequency: EHF (44 GHz) uplink and SHF (20 GHz) downlink.
Data Rates: Ranges from 75 bps to 8.192 Mbps.
Antenna Coverage: Includes 1 earth coverage beam, 4 agile beams, 24 time-shared spot beams, 2 nulling spot beams, and 6 dwelling spot beams.
Crosslinks: Each satellite has two bi-directional crosslinks, compatible with Milstar and AEHF requirements, supporting up to 60 Mbps.

Conclusion: The AEHF system represents a significant advancement in military communications, providing secure, reliable, and flexible connectivity essential for modern warfare and strategic operations.

Catalog excerpts

ASSURED,, PROTECTED,, SURVIIVABLE COMMUNIICATIIONS A D V A N C E D E H F

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Advanced EHF (AEHF), the nation's next generation military strategic and tactical relay system, will deliver survivable, protected communications to U.S. forces and selected allies worldwide. The system provides the joint, interoperable, assured connectivity for warfighters in operations in all levels of conflict – a capability not available through other planned military communication networks. AEHF provides much greater capacity and more flexible coverage than its predecessor, Milstar, while assuring operational continuity through compatibility with the Milstar constellation. AEHF delivers...

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Advanced EHF Payloads (AEHF)

Advanced EHF Payloads (AEHF)

Catalog excerpts

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