The ANT1043 from RFM Integrated Device is a GPS/GNSS Antenna with Frequency 1575.42 MHz (GPS) / 1561.098 MHz (BEIDOU), Gain 0 dBi, Impedance 50 Ohms, Bandwidth 8 MHz, Return Loss -10 dB. Tags: Patch, Ceramic, PCB. More details for ANT1043 can be seen below.