The Larsen NMOMMRPL magnetic antenna mount is to be used with Motorola-style, NMO mobile antennas. This Motorola-style magnet mount provides temporary, easily removable vehicle mounting for mobile antennas. brbrThis high frequency 0-3000 MHz NMO mount features a fully weatherized cable interface and a center pin that is removable to convert it from a standard frequency mount to a high frequency mount. The mobile antenna mount is constructed from a zinc alloy body plated with copper and nickel that is black coated. The magnetic base has a protective coating that prevents damage to your vehicle. The vehicle antenna mount thread size is 1 1/8 in-18. The Larsen vehicle magnetic mount for Motorola-style antennas includes 12 ft of RG-58A/U cable. UHF Male connector is installed.