Can’t stand to have your guests’ cell phones ringing in your office meeting room? Well, all you need is to hang up one of these Painting Cell Phone Jammers. Granted it might seem a little drastic, but if you’re the type of person who gets irritated when cell phones ring, this is for you. It works in an 80 meter radius and can jam signals from GSM, CDMA, DCS, PHS and 3G networks. If you want something that’s interesting, you could even opt for the 3D painting cover, but given what you’re doing, you might want the painting to be less obvious. It’ll set you back $150, but think of the peace and quiet you’d get…