Shenzhen Wings Technology Co., Ltd.  

Product Name: RF Radio Network Jammer Block Mobile Phone Signal Model NO.: WT-A18 Application: Library Frequency: 700/800/850/900/11800/2100/1900/2300/2400/2600 etc Frequency Range: 2g/3G/4G/2.4G/WiFi/GPS etc Band: 18 Antennas Working Frequencies: 700/800/850/900/11800/2100/1900/2300/2400/2600 etc Power Output: 42W, Each Band 1-3W Jam Radius: 2-40meters Net Weight): 7.5kg Dimension: 460*238*60mm(Without Antennas) Color: Black Working Time: Not-Stop Working Temperature: -10 to +55