This signal blocker can block 8 frequencies with individually controllable switches for each antenna. The shielding range can reach 100-200 square meters (depending on the local specific signal)

2. Product Specification

Jamming Frequency	GSM:869-980 MHz 3G:2100-2170MHz DCS:1805-1880MHz WIFI:2400-2500MHz GPSL1+Glonass1560-1620MHz 4G:2400-2600MHz GPSL2+BDS:1200-1280MHz 4G:LTE+CDMA791-894MHz
Body Size	37011040mm
Weight	3.0kg
Power Input	AC110-240V
Total Output Power	40 watt
Shielding range	100-200sqm ( Depends on surrounding signal strength )

3. Feature

This signal jammer

*Individually controllable switch, easy to switch

*Rugged and durable housing, waterproof and dustproof, durable and heat-resistant

*The shielding range can reach 200-300 square meters

*Easy to install, suitable for desktop and wall mount

4. Application

This signal blocker

*Judicial industry prisons, detention centers, labor camps, public security, courts, procuratorates,

* Education industry ,school examination rooms, teaching classrooms, dormitories, various social examination centers, education and training institutions

*Various conference rooms of party and government organs and administrative institutions; warehouses, workshops and production lines of factories and mines; troops and important secret places

*Theaters, concert halls, memorials, auditoriums, etc.

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