APAKC3508A-SG3 GNSS Patch Antenna Abracon APAKC3508A-SG3 Global Navigation Satellite System (GNSS) Patch Antenna offers multi-band operation for GPS/GLONASS/Beidou/Galileo. This patch antenna features active GNSS with integrated Low-Noise Amplifiers (LNA) that provide LNA gain of 32dBi. The Abracon APAKC3508A-SG3 GNSS Patch Antenna operates at 1555MHz to 1615MHz frequency range and offers 1.5 Voltage Standing Wave Ratio (VSWR).