You could probably get away with using a signal booster after the surge protector if it was a problem.
I've never used one on my TV (I use an OTA antenna) I've always used one going into my cable modem and I've never had any issues with my speed because of it.
I won't be wronged. I won't be insulted. I won't be laid a-hand on. I don't do these things to other people, and I require the same from them. - John Bernard Books(John Wayne in The Shootist)