The full-band GNSS HC990E embedded helical antenna is designed for precise positioning, covering the GPS/QZSS-L1/L2/L5, QZSS-L6, GLONASS-G1/G2/G3, Galileo-E1/E5a/E5b/E6, BeiDou-B1/B2/B2a/B3 and NavIC-L5 frequency bands, including the satellite-based augmentation system (SBAS) available in the region of operation, as well as L-band correction services.
The antenna is designed and built by Tallysman Wireless for high-accuracy positioning. It is packaged in a very light and compact form factor, making it ideal for a wide variety of applications, especially lightweight unmanned aerial vehicle (UAV) navigation.
The HC990E is 60 mm wide and 25 mm tall, weighing only 12 g. It features a precision-tuned helical element that provides an excellent axial ratio and operates without the requirement of a ground plane. It also features a low-current, low-noise amplifier (LNA) and pre-filter to prevent harmonic interference from high-amplitude signals, such as 700 MHz band LTE and other nearby in-band cellular signals.
The antenna base has a flying lead with a UFL connector. To facilitate installation, Tallysman provides an optional embedded helical mounting ring which traps the outer edge of the antenna circuit board to the host circuit board or any flat surface. Tallysman also supports the installation and integration of embedded helical antennas to enable successful implementation and provide optimal antenna performance.
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