The APAKM4012-C2G3D from Abracon LLC is a stacked ceramic patch Radio Frequency antenna for Beidou, Galileo, GLONASS, GNSS, GPS and SDARS at 1.561, 1.575, 1.589, 1.602 and 2.332 GHz, covering 1.561 to 1.602 GHz and 2.32 to 2.345 GHz with 2.7 dBi and 4 dBi gain, in a solder through-hole design.