this power supply is designed to power up your booster which is outside or in roof
It is not a “booster’ in itself it is part of a 2 piece combination.
so the booster is outside or in the roof depending on the installation,
this device sends power through the coaxial cable and switches on the booster and “Viola”
you have a picture.
to conclude, these are metal housing not plastic like Kingray and are 300ma Not 150ma so more available power if needed. lastly, they are short protected so won’t blow up if a fault in the system.
Features and Benefits Reduces protrusion Environmentally smartMEPS and RoHS compliantMale ‘F’ type connectionOutput: 14VDC 300mA