The YFGC015WWB from Quectel is a GPS/GNSS Antenna with Frequency 1559 to 1606 MHz, Gain -0.55 to 1.78 dBi (Peak), Efficiency 35.3 to 59.8%, Impedance 50 Ohms, Axial Ratio 12.9 to 19.3 dB. Tags: PCB, Ceramic, Patch, Embedded. More details for YFGC015WWB can be seen below.