Overview
The JM004 is an advanced assured-positioning solution engineered to safeguard GNSS-based systems from radio frequency interference, spoofing, and jamming. It integrates a high-performance anti-jamming antenna array with a precision GNSS antenna element, all housed within a rugged, marine-hardened enclosure designed to withstand harsh maritime conditions.
By effectively mitigating both intentional and unintentional interference, the JM004 ensures that connected GNSS receivers maintain continuous, reliable, and accurate positioning—even in challenging RF environments.
Featuring low power consumption (15W), lightweight construction (2kg), and compact dimensions (φ178 × H56 mm), the JM004 supports rapid shipboard deployment and offers excellent future system compatibility. This makes it an ideal assured GNSS solution for a wide range of commercial vessels, defense ships, autonomous surface vehicles (ASVs), offshore platforms, and other marine navigation applications.
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