The ADFGP.25A from Taoglas is a GPS/GNSS Antenna with Frequency 1561 MHz / 1575.42 MHz / 1602 MHz, Gain -4 to -2.5 dB, Noise Figure 2.7 to 3.3 dB(LNA), Efficiency 38.9 to 55.1 %, Voltage 1.8 to 5 V. Tags: Patch. More details for ADFGP.25A can be seen below.