高/低干扰的范围调整的手机信号没错

Cell Phone Signal Jammer10 25m Meters. Can jammer mobile phone CDMA, GSM, DCS, PHS AND 3G Specifications: Jams / Isolate Signals from mobile phone only Does not affect the normal operation of other electronic devices High/ Low jamming range adjustment Mobile Phone Signal Jammed: CDMA, GSM, DCS, PHS Compatible with Isolating Signal Bandwidth CDMA: 869 894Mhz GSM: 925 960Mhz DCS: 1805 1880Mhz PHS: 1900 1990Mhz or 3G:2110 2170Mhz Range Supported: effective radius 10 25m Working Temperature Supported: -10 +40 deg C Power Source: DC 5V Max Output Power: 7W(Low Setting), 10W(High Setting) Antenna Gain: 3 dBi Working Temperature: -10 +40 deg C Dimension: 143 x 252 x 51mm Table top or Ceiling mount designAccessories: 4x Antenna Power AdapterJammeruser manual