The YCGS010AA from Quectel is a GPS/GNSS Antenna with Frequency 1164 to 1300 MHz / 1559 to 1606 MHz, Gain 0 to 2.2 dBi (Peak), Efficiency 42.7 to 73.9%, Impedance 50 Ohms, Return Loss -16.4 to -5.4 dB. Tags: Ceramic, PCB, Low Profile, Chip. More details for YCGS010AA can be seen below.