, radio repeater mod can be crafted with the following recipes

Player Recipe
Primary skill used: fabrication(5)
Required skills: electronics(5)
Time to complete: 15 minutes
Tools required:
> 1 tool with screw driving quality of 1
> soldering iron (15 charges) OR integrated welder (15 charges)
Components required:
> 1x processor board
> 2x scrap metal
> 5x wire
> 2x power converter
> 1x transponder circuit
> 2x electronic scrap
> 2x amplifier circuit
> 1x copper wire
> 1x car battery
> 15x solder
Byproducts:
(none)
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This recipe can be found in the following books when fabrication is at least the required level:
plans for a radio repeater mod (level 2)