The YFGC025WWC from Quectel is a GPS/GNSS Antenna with Frequency 1559 to 1606 MHz, Gain 1.9 to 3.6 dBi (Peak), Efficiency 61.2 to 80.1%, Impedance 50 Ohms, Axial Ratio 9.25 to 15.98 dB. Tags: PCB, Ceramic, Patch, Embedded. More details for YFGC025WWC can be seen below.