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Product Name: MOB Obstruct Instrument Model Number: KJ-1800 Place of Origin: China Brand Name: CKTN Minimum Order: 500pcs Payment Terms: T/T, L/C Delivery Lead Time: 25-45 days
To keep the important information easily, jam the mobile signal when you are in the following locations: gas stations, courthouses, hospitals, classrooms, museums, libraries, racecourses, places of warship (church, temple, mosque), theaters (concert hall, opera house, cinema)
Features: 1) Range: 5 ~ 20m radius 2) Frequency band: a) Low band: 869~960MHz (CDMA800/GSM900) b) High band: 1805~1925MHz (DCS1800/PHS1900)
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