... R.H.C.P (Righrt handed Circular Polarization) 6.Gain: 27dB±3dB(25°C±5°C) 27dB±4dB ... 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, 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 ...