The YFGC015WWA from Quectel is a GPS/GNSS Antenna with Frequency 1559 to 1606 MHz, Gain -2.7 to 2.1 dBi (Peak), Efficiency 24.5 to 65.2%, Impedance 50 Ohms, Axial Ratio 13.54 to 22.24 dB. Tags: PCB, Ceramic, Patch, Embedded. More details for YFGC015WWA can be seen below.