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Taoglas GPDF357 Embedded GPS Stacked Passive Patch Antennas support both GPS L1/Galileo E1 and GPS L2 bands. These antennas feature a stacked patch design that consists of two patches with the bottom patch measuring 35mm x 35mm x 4mm and the top patch measuring 25mm x 25mm x 3mm. Each of these patches have one pin feed and utilizing two patches ensures a low axial ratio can be achieved. GPDF357 antennas exhibit an excellent gain and good radiation pattern stability, allowing for a reliable GNSS fix, even in areas of weaker signal strength. Taoglas GPDF357 Antennas are ideal for precision agriculture, RTK systems, high accuracy positioning, and public safety applications.