Model 649-8

Portable VHF/UHF DF and Monitor Antenna Array

  • 20 to 8,500 MHz broadband antenna for DF and monitoring
  • Rugged, lightweight construction for portable applications
  • Unique design provides a balance between compact size and sensitivity over a wide frequency range
    Includes magnetic fluxgate compass
    *Range is dependent on TCI spectrum processor

Product Description

The TCI 649-8 Antenna Array is an advanced system designed for direction finding (DF) and monitoring applications, incorporating high-band and low-band DF arrays along with an omnidirectional monitoring antenna. The high-band DF array features nine vertically polarized fan elements housed within a durable, low-loss radome. This protective radome also contains a broadband conical monitoring antenna and an integrated broadband RF switch, ensuring efficient signal handling and system reliability.

The low-band DF array includes five elements optimized for accurate DF performance at lower frequencies, complementing the high-band components. Together, these elements enable the system to cover a broad spectrum of frequencies while maintaining high levels of precision and efficiency.

For applications such as signal monitoring systems (SMS) or communications intelligence (COMINT) DF, the broadband RF switch plays a critical role. It commutates signals from the DF elements to an external multi-channel DF or monitoring receiver, enabling effective signal processing and analysis. This streamlined functionality ensures smooth integration with existing systems, making the 649-8 Antenna Array a versatile tool for complex DF and monitoring operations.

Built with rugged materials, the 649-8 is suited for long-term use in demanding environments, providing durability and consistent performance. Its dual-band DF capabilities and monitoring features make it a reliable choice for professionals in spectrum management, surveillance, and intelligence operations.

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