The YFGC009WWC from Quectel is a GPS/GNSS Antenna with Frequency 1559 to 1606 MHz, Gain 0.92 to 3.9 dBi (Peak), Efficiency 35 to 74.56%, Impedance 50 Ohms, Axial Ratio 5.9 to 11 dB. Tags: PCB, Ceramic, Patch, Embedded. More details for YFGC009WWC can be seen below.