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MSLD light duty lower mast support
But you can`t use the antenna unless you have the MFJ-1925 antenna controller
 SO-239 connector for coax
Your expensive amplifier runs cooler so every component in your amplifier lasts longer
Superb built-in Keyer Features
MFJ-4128, SWITCHING POWER SUPPLY, 28AMPS, 13.8VDC,110/220VA Vectronics_Antenna MSLD light duty lower mastMFJ 4128 can power your HF, VHF, or UHF mobile or base transceiver with an output of 28 Amps maximum and 25 Amps continuously at 13. 8 VDC. This basic power supply has all of the output connectors you will ever need! MFJ 4128 has five way binding posts for high current rigs and quick connectors for low current accessories. It also has a low 7 amperage cigarette lighter plug, perfect for powering small accessories. It is lightweight (only 4 lbs.) and