A Special Price of cell phone jammer / It is get low hot.

Technical specifications:
1. Effective shielding range: 10-35 meters radius
2. Isolation bandwidth:  
                               CDMA: 869-894MHz
                               GSM: 925-960 MHZ
                               DCS:1805-1880MHZ
                               WCDMA:2110-2170MHZ
                               PHS:1900-1925MHZ
                               PCS:1930-1990MHZ
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4. Operation temperature: -40c to +55c
5. Humidity: 30% to 95%
6. Power adapter: Input: 100 to 240V AC      Output: DC4V