The YFGC009WWA from Quectel is a GPS/GNSS Antenna with Frequency 1559 to 1606 MHz, Gain -3.9 to 0.86 dBi (Peak), Efficiency 23.4 to 57.1%, Impedance 50 Ohms, Axial Ratio 13.6 to 24.1 dB. Tags: PCB, Ceramic, Patch, Embedded. More details for YFGC009WWA can be seen below.