The PCTEL Maxrad RBG magnetic mount is a Motorola-style mobile antenna mount that offers removability. No drilling into the vehicle is required for installation making the location of the magnetic mount easy to adjust.brbrThe vehicle antenna mount thread size is 1 1/8 in-18. This 3 in scratch-less magnet mount has a rubber boot that prevents damage. The black NMO mount includes 12 ft of RG-58A/U cable. A UHF Male connector is installed. The PCTEL black vehicle magnet mount is designed for use with Motorola-style mobile antennas up to 512 MHz.