The APARM1804-SG3 from Abracon LLC is a GNSS ceramic patch RF antenna for Beidou, Galileo, GLONASS and GPS, with frequencies at 1.561, 1.575, 1.586 and 1.602 GHz, coverage of 1.559–1.563, 1.574–1.576, 1.583–1.589 and 1.597–1.607 GHz, 2, 3 and 4 dBi gain, and solder surface mounting.