Turkish electronics specialist TUALCOM is showcasing a selection of its RF and communication systems at DSEI Japan 2025, including anti-jamming antennas, tactical data links, and an auto-tracking antenna system.
The company’s TUALAJ series of Controlled Reception Pattern Antenna (CRPA) systems are designed to protect GPS/GNSS receivers from jamming and spoofing. The TUALAJ 4500-D model, for example, uses a four-element CRPA array and digital beamforming to counter up to three jammers simultaneously across GPS, Galileo, BeiDou, and GLONASS bands. It is compatible with civilian and military systems, includes an optional embedded GNSS receiver, and meets MIL-STD-810G and MIL-STD-461F standards. For smaller platforms, the compact TUALAJ 4200 MINI weighs less than 170 grams while still supporting dual-band anti-jamming capabilities.
TUALCOM is also highlighting its tactical data link systems designed for UAVs and other unmanned platforms. These systems employ time division multiple access (TDMA) algorithms and software-defined radios to enable secure, mesh-capable communications with data rates up to 10 Mbps. Operating in the L, S, and C bands, they support AES-256 encryption, frequency hopping, and direct sequence spread spectrum (DSSS) for enhanced resilience.
To complement its data links, the company is presenting its Auto-Tracking Antenna System, developed for long-range airborne communications. With GPS-based auto-tracking, 360° pan and up to 180° tilt coverage, the system supports ranges beyond 200 km. Available in L/S and C band variants, the system includes a geopointing controller with automatic north-finding and antenna gain options above 20 dBi.
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