The AM-4-A-B02 from Unictron Technologies Corporation is a GPS/GNSS Antenna with Frequency 1575.42 to 1602 MHz, Gain -5.25 to 1.95 dBi, Noise Figure 1.5 dB, Voltage 3 to 5 V, Current 8 to 12 mA. Tags: Patch. More details for AM-4-A-B02 can be seen below.