ASTi delivers the most flexible and powerful software and COTS hardware solutions for DIS and HLA radio simulation in the industry. ASTi’s high-fidelity radio propagation modeling provides the most realistic, interoperable simulated radio communications available.
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ASTi’s audio solutions are engineered to exceed FAA Level D certification and provide the highest fidelity aural cues and environmental audio to a vast array of military and commercial simulators worldwide.
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As the leading supplier of audio and communication simulation systems worldwide, ASTi has delivered over 5,000 systems to more than 400 sites in the United States and 37 other countries. Learn more in the Installations section, which features extensive lists & maps of ASTi customers and equipment sites.

We do more than just simulation; ASTi provides real-world comms systems, too. Our low-latency, network-centric software offers a highly dynamic, quickly reconfigurable communication solution. ASTi has deployed hundreds of network comms systems across myriad applications.
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Do you need FAA Level D (or equivalent) aural cue and audio for your commercial or civilian simulation program? ASTi's audio solutions have been certified to the highest standards. Please visit ASTi’s Commercial Simulation website.

ASTi is committed to excellence in customer support, both before and after the sale. ASTi offers specialized training, on-site integration, and technical support services to ensure customer success and end-customer satisfaction from design review through program sign-off.
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