CB antenna adapter for converting many of the Freightliner, Peterbilt, OEM, and Kenworth trucks CB Antenna Plug to standard PL-259 Has a male UHF PL-259 on one end, & Female Motorola on the other end. Great for converting many of the Freightliner, Peterbilt, OEM, and Kenworth trucks CB Antenna Plug to standard PL-259. PL-259 UHF to Female Motorola adapter for CB radio cable that is used on many of the Freightliner, Peterbilt, OEM, and Kenworth trucks. This adapter will allow you to simply screw your trucks factory cable in to the back of your CB, 10 meter, or export radio. Peterbuilt