An

GPS antennas are used to receive signals from GPS satellites, which are used to calculate GPS coordinates.

Characteristics:

- Types: active, passive, patch, helix

- Frequency: L1 (1575.42 MHz), L2 (1227.60 MHz)

- Gain: 3-5 dBi

- Polarization: right-handed (RHCP)

- Application: navigation, surveying, transportation