ok the camera will be some where close to the pulpit... the sound room is 75 feet from pulpit and the nursery is 100 feet away and on the other side of a brick wall....and i only want one camera and no cables... i knew the solution was not easy... the old tv is a box 12in. brand name unknown... i wanted the nursery workers to see and hear the services and record it in the sound room too thanks for any help you can give