Prison phone jammers that are durable and withstand the elements as well as attempts at sabotage and destruction. Used in facilities globally, these are the best available in the marketplace. Our TSJ-210W-Outdoor is currently in use in multiple countries and our new TSJ-PS1M is gaining superior ratings.
Contact us for a free consultation about how these units can help maintain security at your facility. We offer the best jammer products available anywhere. Also be sure to see our drone jammer category to prevent UAV intrusions to secure facilities.