Cellular Phone Breaker is a high power mobile phone jammer and with out the time limit it may continue to work at TX frequency of 865 to 960 MHz, 1805 to 1990MHz and jamming range diameter up to 120 meters with total output power of 70W. Product Code : STB/JR/BAJ/03 Features and Specifications Tx Frequency: 865~960Mhz, 1805~1990MHz Total output power: 70W Jamming range: Diameter =120 Meters (Signal=-75dBm direction antenna) Dimension:450mm(L)×300mm(W)×250mm(H)