The RFMAX RSF-DB-G4W-SSS is a black, 3-in-1, roof mounted, SharkFin style antenna for use with the industry leading In-Vehicle modems. This vehicular multi-band antenna is the best choice when you are looking for high performance at an economical price. The antenna is ideal for combining 1575 MHz GPS, 698-2700 3G/4G/LTE cellular data communication and 2.4 / 5 GHz WIFI/WLAN in one, small, covert package. Equivalent to antennas from TaoGlas, Mobile Mark and Antennas Plus. Optimized for use with Cradlepoint & Sierra Wireless modems: LS300, GX440, GX450 & RV50.