The YFGC025WWA from Quectel is a GPS/GNSS Antenna with Frequency 1559 to 1606 MHz, Gain -3.1 to 0.76 dBi (Peak), Efficiency 30.2 to 57.8%, Impedance 50 Ohms, Axial Ratio 12.5 to 19.3 dB. Tags: PCB, Ceramic, Patch, Embedded. More details for YFGC025WWA can be seen below.