We are China cell phone jammer manuacture,this 8 antennas high power cell phone jammer with adjustable button is one of our most popular product. Areas like meeting rooms, conference rooms etc,need this model to prevent leakage of information. Following is the details:

Affect frequency:
1.CDMA&GSM:850-960MHZ,
2.DCS&PCS:1805-1990MHZ,
3.3G: 2110-2170MHz,
4.4GLTE:725-770MHZ or 790-826MHZ,
5.4GWIMAX:2345-2400MHZ or 2496-2690MHZ,
6.2.4G WiFi : 2400-2500MHz,
7.5.2G WiFi: 5250-5680MHz
8.5.8G WiFi: 5680-5900MHz

Total output power: 20W
Power supply: 50-60Hz, 100-240V AC
Jamming range: up to 70m, the jamming radius still depends on the strength signal in given area
Dimension: 370x 140 x 51mm
Full set weight: 4.0kg

Advantages:
1.Good cooling system with cooling fan inside
2.Can adjust or turn off any single band without influencing the other bands operation
3.Work non-stopped
4.Stable capability
5.Could be used in car directly,With car charger (optional)

Application area:
1.It can be applied at meeting rooms, conference rooms, trains, bus and more
2.For some locations of special purpose such as hospitals, gas stations and more
Do field test first to make sure no interference happened to the normal operation of their equipment and instrument

Warranty: one year from delivery date