FrigatePsiAntiModule.entity (http://codeviewer.org/view/code:2855)
and FrigateTechAntiModule.entity (http://codeviewer.org/view/code:2856)
are the 2 units you want, simply paste them into a text file inside a mod folder...
I guess the best way to "nerf" them is to reduce there range from 12000 to 2000 I am guessing you simply want to stop the AI from killing your starbase?
You can Remove them by taking them out of the list in PlayerPsiLoyalist, PlayerTechRebel, PlayerPsiRebel, PlayerTechLoyalist.
kinda... makes Turtling hideously easy and gives Vasari a huge advantage