Apr 20, 2009 · i suppose you can create a stronger jammer and somehow try to cancel out the existing jammer's signals . but it would obscure the incoming cell phone signals . or you can have some "amplifiers" which amplify the comparatively weak cell phone signals so that their strength exceeds the jammer signal strength . Mobile Phone Jammers PCB assembly Mobile Phone Jammers project design company,product development design engineering RF design,shenzhen China Cell phone jammer. A phone jammer transmits low power radio signals to cut off communications between cell phones and cell base stations. Mar 29, 2019 · The device must be broadcasting a signal. For instance, play music into a phone, or tape down the number buttons so they're being pressed continually. Do not run a microwave with nothing inside. To improve the jamming ability of a 2.4GHz cordless phone, expose the circuitry, then attach the antenna leads to a wire taped to a CD. Wininet tls.