The AH201a from Minewsemi is a GPS/GNSS Antenna with Frequency 1575.42 MHz / 1176.45 MHz / 1561.098 MHz / 1207.140 MHz / 1164 MHz to 1189 MHz, Gain 1.5 dBi, Noise Figure 1.5 dB, Voltage 1.6 to 3.6 V, Current 10 to 15 mA. Tags: Helical, Patch. More details for AH201a can be seen below.