Patch antenna selection
A passive patch for two documented GNSS bands
GLS2502XCT is a passive ceramic patch antenna intended to receive GPS L1 at 1575.42 MHz and GLONASS G1 at 1602 MHz. It is a receiver element, so the host PCB and receiver architecture must provide the rest of the GNSS signal chain.
The 25 × 25 × 2 mm ceramic body uses right-hand circular polarization. The source quotes at least 2 dBi zenith gain when connected to a PCB; that condition matters when comparing the figure with a finished active antenna.
Check the available board space, matching and ground-plane design against the source drawing before ordering. This model has no documented built-in LNA, connector or cable.
