... Center frequency: 1575.42MHz±1.023MHz 4.Impendance: 500HM5 ... for about 10 years. Our main products include car AM/FM antenna, mobile TV car antenna, GPS car antenna, gsm car antenna, multiband car antenna ... antenna, GPS+GSM+FM car antenna, decorative car antenna, shark fin car antenna, Sirius car antenna, active car antenna, passive car antenna, coaxial cables and car antenna accessories, etc. high gain ...