Please note! RCJ40-D desktop jammer now supports 4G. From now you will be able to block all mobile internet users in 40 meters (130 feet) radius! That device will block all 4G connections, no matter which provider it is! Additionally to the frequencies provided in the Configuration box you can choose/mix up to 6 different frequencies. The whole list of frequencies that RCJ40-D is able to jam you can find below. This jammer can be operated through the AC 110-240V or DC 12V car charger. For extra fee you can purchase a device with built in battery. The battery usage time is up to 2 hours. RCJ40-D adjustable desktop cell jammer is the latest model of our powerful products used to secure the perimeter of large buildings. The range of frequencies it works with is spectacular because when this device is turned on all popular frequency bands stop their work, even part of the low frequency spectrum. Moreover, you can decide what frequencies you need to block before you make an order for our technicians be able to tune your product according to your wishes. As a rule, RCJ40-D strong cell phone signal jammer is installed inside the offices, houses or any other large buildings to organize wireless safety. When it works, all bands which you selected will not work in its operating radius of 40 meters. In addition you can adjust the output power of your device to prevent interference with other buildings around if there is such necessity. As you can see, this device is flexible in relation to the working range of its signal and this might be handy in organizing your wireless safety more precisely.
A**T
Damage and defective Chinese product
Worst product.they are supplying chinese product and then not ready for return.
Trustpilot
3 weeks ago
3 days ago
