Use RCJ40-D adjustable desktop jammer because it is the most powerful among jammers which can block WiFi signal (40 meters at open space outdoors). If you want to protect your house from this wireless signal then you need to place this powerful desktop multifrequency jammer RCJ40-D somewhere inside your house and keep it turned on. This will prevent wireless signal from going inside your house from that tower.
If you have a goal to prevent that wireless WiFi signal from being transmitted from that tower in the first place, you need to install this signal jammer somewhere near to the tower itself. Depending on the power of the wireless tower this desktop jammer can or can't overpower its signal, so you might have the situation when you will need to use few such jammers to overpower the tower.
In any way, if your primary goal is to protect your house from wireless signals, you need to install the jammers inside your house and they must be powerful enough to cover the area within your house, preventing the signals from that tower you hate so much from ruining your life.
answered May 15 '12 at 08:57