The YFGC025WWB from Quectel is a GPS/GNSS Antenna with Frequency 1559 to 1606 MHz, Gain -2.7 to 2.1 dBi (Peak), Efficiency 23.2 to 59.1%, Impedance 50 Ohms, Axial Ratio 12.72 to 19.95 dB. Tags: PCB, Ceramic, Patch, Embedded. More details for YFGC025WWB can be seen below.