China (Mainland) Cellphone Jammer

Specifications: Cell phone Jammers transmit radio signals to cut-off communications between the cell phone and cellular base-stations. It does not interfere with any communications other than cellular within the defined regulated zone. Upon activating a Phone Jammer, all idle phones will indicate NO SERVICE. Incoming and outgoing calls are blocked. When the Phone Jammer, is turned off, all cell hand phones will automatically re-establish communications and provide full service.