The AA.180.501111 from Taoglas is a GPS/GNSS Antenna with Frequency 1561 MHz/ 1575.42 MHz/ 1602 MHz, Gain 1.08 to 3.31 dB, Noise Figure 2.7 to 3.3 dB, Efficiency 35.1 to 59.4%, Impedance 50 Ohms. Tags: Patch, Low Profile. More details for AA.180.501111 can be seen below.