This Jammer is mainly for blocking GSM,CDMA,DCS Signals, the effective range for Blocking 3G signal is about 0.5 to 1 Meter. If you are trying to block 3G signals in an effective way, pls do not choose this one, this one is not powerful enough to block 3G signals.
| Device Blocked: | Cell Phone |
| Signal Blocked: | GSM,CDMA,DCS,3G |
| Blocked Area: | 1 to 10 Meters Depending on signal strength and working environment |
| Jamming Frequency: | GSM: 925-960MHz; |
| Output Power: | 0.5W |
| Power supply: | 100v to 240v |
| Typical Battery Life: | 2Hours |
| Battery: | Built in Rechargeable Li-ion battery |
| Weight: | 0.5KG |
| Dimension: | Antennas off - 97 x 47 x 18 mm (L x W x D) |