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Desktop GSM CDMA 3G 4G LTE WiFi Cell phone Signal (Blocker) Jammer
What is this?
The HDT 3000 is specially designed for median-size-indoor-space, such as meeting room, exam room, small church, ward and dormitory.
This module targets signals of cellphone and WiFi & Bluetooth (frequencise from 800Mhz to 2600Mhz), with a theoretic jamming range of 8-35 meters.
Under the white shell, there are 8 high-gain directional antennas built-in. The plastic front panel will provide no block for the penetration of jamming signals.
Its internal antennas shall save you tons of installation time if you compare this to the modules with external antennas.
How to use it?
Simply by attaching the plug and pressing the switch, this jammer will automatically start to block target signals within the jamming range.
Devices like cellphones (2G, 3G and 4G LTE) and WiFi&Bluetooth ones (like iPad and iPod) are not able to transfer and data or make calls as long as the jammer is on.
Plus, it is 100% safe and will not do any harm to human beings around.