The APAE1575R2540BBDB1-T is a high-gain GPS patch antenna housed in a compact 25.0 x 25.0 x 4.0mm package. It is designed to operate at a receiving frequency of 1575.42 MHz, delivering a typical peak gain of 4.5 dBic with Right Hand Circular Polarization (RHCP). Key performance characteristics include a nominal impedance of 50 Ω, a maximum VSWR of 1.5 at the center frequency, and a typical -10dB bandwidth of 15 MHz. Due to its compact, pin-type form factor, this antenna is ideal for integration into a wide range of devices, including automotive navigation systems, marine buoys, surveying equipment, and portable electronics like laptops and PDAs.