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M-AJ-QUATRO

Category
Communication and Control
The M-AJ-QUATRO is advanced CRPA antenna system for A-PNT operations in GNSS-denied environments. Labs, a subsidiary of VIAVI Solutions Inc., is a high-performance Controlled Reception Pattern Antenna (CRPA) system engineered for assured positioning, navigation, and timing (A-PNT) in electromagnetically contested environments. Operating across the full L1, L2, and L5 GNSS bands, the system delivers robust signal fidelity even in the presence of wideband and in-band interference. With more than 34dB suppression in
its export-free configuration and 45dB+ in its export-controlled model, the M-AJ-QUATRO actively nullifies jamming sources while providing jammer direction-finding for enhanced situational awareness. Optimized for military and aerospace operations, the antenna integrates FPGA-secured signal processing with adaptive digital nulling, anti-spoofing encryption, and real-time interference rejection. Its precision-engineered CRPA architecture minimizes multipath distortion and enhances signal integrity under dynamic and degraded signal conditions. With full compatibility across GPS, GLONASS, GALILEO, BEIDOU, and QZSS, and seamless integration with Inertial Labs’ GNSS-aided INS systems, the M-AJ-QUATRO ensures operational reliability across the globe. Built to meet rigorous MIL-STD-810G and MIL-STD-461F standards, it is a mission-critical asset in modern electronic warfare and A-PNT resilience strategies.