I need some info. on Sirius radios...please help.?

I just got my b/f Sirius for his truck, is there a kit you can buy so he can hook it up to a radio, he's got a DeWalt radio...if so do I need to check for a certain type of outlet/jack for compatibility? He works construction and we firgured we might be able to get some kind of kit so he can not only use it in his truck but at work as well (he builds houses)...Thanks!