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Taoglas introduces ultra-compact dual-band high-precision GNSS antenna

The GVLB208 high-precision antenna. (Photo: Taoglas)
The GVLB208 high-precision antenna. (Photo: Taoglas)

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Taoglas has launched the GVLB208 series, an active and passive dual-band GNSS L1/L5 stacked patch antenna — the first in a new family of ultra-compact antennas.

Combining a tiny package with concurrent L1/L5 support and stable right-hand circular polarization (RHCP), the antennas deliver reliable centimeter-level positioning in a compact 20 x 20 x 8 mm footprint.

The GVLB208 series is designed for applications that require high-precision positioning in a compact form factor. Its size, dual-band support and circular polarization make it suitable for designers looking to improve positioning performance without increasing device footprint.

The new antennas address this challenge with a single-feed stacked patch design that supports concurrent L1 and L5 GNSS bands. By leveraging dual-band operation, they significantly reduce the impact of multipath interference, enabling more reliable positioning and improved accuracy in complex RF environments.

The series delivers dual-band L1/L5 performance typically associated with larger GNSS patch antennas. The antenna achieves peak gain of up to 1.5 dBi, approximately 50% efficiency across both bands, and an axial ratio of around 4 dB, supporting stable RHCP signal reception and consistent positioning performance.

Optimized for major global GNSS constellations, including GPS, Galileo, GLONASS and BeiDou, the GVLB208 series supports reliable operation across varied RF environments.

  • The passive GVLB208 A single-feed architecture enables dual-band L1/L5 performance without the complexity of multi-feed designs, while its pin-mount configuration simplifies RF layout and integration. It can be easily implemented on standard PCB designs, with optimal performance achieved on a typical 70 x 70 mm ground plane.
  • The active AGVLB208.A, including active electronics and filters, is supplied with 1.13 micro-coax cable and an I-PEX MHF I connector for easy integration with the latest multiband GNSS modules.

The GVLB208 series is suitable for autonomous delivery robots requiring seamless sidewalk navigation and precise drop-offs, where every centimeter counts. It also supports applications including unmanned aerial vehicles (UAVs), telematics systems, fleet and asset tracking, precision agriculture, and industrial IoT deployments.

Taoglas plans to expand the GVLB208 family later this year with an active SMD variant with integrated active electronic components, designed for automated high-volume manufacturing.