Block unwanted phone calls - China factory 8W Cell Phone Signal Jammer WIFI 4G Blocker for School & Office

Block unwanted phone calls - China factory 8W Cell Phone Signal Jammer WIFI 4G Blocker for School & Office
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  • Block unwanted phone calls,mobile phone blocker Kincumber,Product Description Buit-in omni-directional antenna inside the cover,better to hidden in the room Blcok frequencies: 800/900/1800/1900/2100/2400MHz/2300MHz/2600MHz Built-in cooling fans for 24...

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