The YFGA003AA from Quectel is a GPS/GNSS Antenna with Frequency 1559 to 1606 MHz, Gain -2.7 to -2.6 dBi, Efficiency 53.8 to 55.7 %, Impedance 50 Ohms, Return Loss -21.2 to -14.6 dB. Tags: Flexible, Embedded, PCB. More details for YFGA003AA can be seen below.