Certified jammer GSM, 4G, 3G, Wi-Fi signal Cobra 6.40 (range up to 40 meters)


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SKU: Cobra 4.40
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Product Description

               Certified jammer GSM, 4G, 3G, Wi-Fi signal Cobra 6.40 (range up to 40 meters)


Certified jammer GSM, 4G, 3G, Wi-Fi signal Cobra 6.40 (range up to 40 meters)  is designed to  block  the mobile devices operating at frequencies GMS 900/1800-standard cellular communication. The device also blocks all mobile Internet, which  supported by modern smartphones based on Android and iPhone using the 4G frequency mobile (MegaFon/MTS/Beeline/TELE2), 3G 2100 and 4G LTE. In addition to the suppression of signals from cellular blocker a lot of interference in computer wireless networking such as Wi-Fi. Blocker  distributes radio frequency interference within a radius of 40 meters, allowing you to isolate the room is medium in size and from wireless data transmission. The cooling system prevents the suppressor connection from overheating during operation.
The jammer is an  ideal  device for use on Unified state examination (use). In today’s world, there are many types of devices that use students to attempt unfair exams. This device will help to eliminate the ability to use gadgets running on wireless types of communication such as cell phones, tablets, etc.
The principle of operation
Suppressor Kobra 6.40 creates radio frequency interference area, which does not allow the mobile device to communicate with base stations and repeaters operators, which does not allow you to transfer data wirelessly.
Frequency suppression:
– In CDMA/4G mobile (MTS/TELE2): 790 – 826 MHz;
– 4G mobile (MegaFon/Beeline): 850 – 894 MHz;
– GSM: 1800-1880 MHz;
Network GSM: 930-960 MHz;
– 3G: 2110-2170 MHz;
– LTE1 4G: 2610-2690 MHz;
– Free Wi-Fi: 2400 MHz.
Shielding range: up to 40 meters
Power supply: 5V, 12A through the adapter from the network 220V
Gross weight: 1.8 kg.
Unit weight: 0.95 kg.
Device dimensions: 490230х30
Package dimensions: 455 Х 240 Х 85

Package includes:
Power supply – 1 PC.
Antenna 900, 1800,3 g, 4G mobile,  4G LTE, wireless Internet access – 6 PCs.
Manual – 1 PC.


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Our goal is to ensure your complete satisfaction with your purchase. If, for whatever reason, you are dissatisfied with your purchase, you can return it to us within 30 days of purchase date. Claims for missing items or items damaged in transit must be received within two business days of receipt of merchandise.
You have the option of exchanging the item(s) or receiving a refund for the full amount of the item purchased . Refunds on returned items will be issued in the same payment form as tendered at the time of purchase. If payment was made by credit card, once we receive the product we will credit your account. Please allow 7-10 days for a credit to appear on your credit card statement.
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How to return or exchange an item:
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All returned or exchanged items must be in new condition, in their original box, and must include all packing material, blank warranty cards, manuals and all accessories.
Defective items may be repaired or exchanged at our discretion for the same model or manufacturer's equivalent model.
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All watches are guaranteed for 12 months from the date of original purchase. Any defect that arises due to faulty materials, workmanship or shipping damage will be repaired by us free of charge during this period. The guarantee doesn't cover accidental damage and misuse.
The quality of the Goods is in full conformity with the technical Conditions of the manufacturer and checked by Technical Control Service (OTK).
You should keep warranty coupon (it is usually in the instruction which is shipped with the product) till the end of the guarantee period (12 months). In case you return the device back, please ask the shipping address at
12 months warranty applies only to new watches.