Electric signal carrier antennae (Fallout 4)

The electric signal carrier antennae is a muzzle weapon mod for the Gamma gun, Lorenzo's Artifact gun and Zeta gun $$

Effects
The mod changes the base damage as follows:
 * Gamma gun: (direct hit) 54 + 7.5!  + 7.5!  + 100
 * Lorenzo's Artifact: (direct hit) 7! ; (area of effect) 7! + 44  + 40

Holding down the fire button until hearing a clicking noise, results in the modded weapon doing an additional +45 on a direct hit.