The SGGP.12.4.A.02 from Taoglas is a GPS/GNSS Antenna with Frequency 1575.42 MHz / 1602 MHz, Gain 2.67 to 2.94 dBi, Efficiency 60.58 to 60.78 %, Impedance 50 Ohms, Return Loss 10 dB. Tags: Ceramic, Patch. More details for SGGP.12.4.A.02 can be seen below.