The SGGP.18A from Taoglas is a GPS/GNSS Antenna with Frequency 1575.42 to 1603 MHz, Gain 2.62 to 3.02 dBi, Efficiency 50.46 to 73.63 %, Impedance 50 Ohms, Return Loss -10 dB. Tags: Patch, Ceramic, Low Profile. More details for SGGP.18A can be seen below.