Uh , Idk what to call it?

[andyishere]

Hello all!
I have a two scanners with Clark County Fire / EMS and Sheriff Office.

http://www.radioshack.com/product/index.jsp?productId=2970547&cp=2032052.2032072&parentPage=family

http://www.radioshack.com/product/i...-strength+meter&allCount=19&parentPage=family

Any was I was wondering if there was anything else I could add to the scanners. Just basic Attenta that comes with it. I am willing to get big anttentas just not now. One sits in the Ketchen and in my Office. Any idea on what else to add?