Mini Portable Cell Phone Signal Jammer With Built-in Antenna
Highlights Worldwide Use: This jammer product can block all GPS, GSM, CDMA, and DCS system signals.
Long Working Time: It comes with a built-in rechargeable Li-battery for 2-3 hours of signal jamming. This device can also be recharged while still in operation.
This portable GPS and cell phone jammer can keep you from being tracked by GPS and cell phone signal tracking systems. It is also good for schools, churches, conference rooms, hospitals and any other place where cell phones may cause a distraction or interference.
Specification: Isolation Signal Frequency:
CDMA: 850-894MHz GSM: 925-960MHz DCS: 1805-1880MHz PHS: 1900-1980MHz 3G: 2110-2170MHz Power supply: Rechargable Li-battery Effective Radius: 10m Dimension: 90x50x15mm EnergyConsumption: 33dBm Accessories: AC Adapter, Car Charge Adapter, Rechargable Li-battery