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KBJ40 Cell Phone Jammer Up to 40 metres radius

  • Availability: Out Of Stock
  • $430.00

Jammer Store Company is a leader of the radio frequencies blocking equipment industry. The quality of all our products is the top priority for us because we are not just dealing those electronic devices but manufacture them. Our devices are meant to satisfy the needs of our customers in the most effective and reliable way and that is why we are constantly improving our products and services. To make sure that you will get effectively working quality product we perform many different tests with our devices.

To get the product you like, you need to make a payment first. The next day after the payment your device will be shipped to you. It takes from 4 to 6 days for your package to reach you, depending on what country you are in. All our shipments are done with DHL – the most reliable delivery operator of the global level. DHL provides not only delivery of your orders in time and undamaged but also has a useful feature of tracking number that you can use to watch the movement of your device via internet. As a rule, we are sending that tracking number to you right after the start of your order shipping.

For you our DHL shipping is always free, no matter it will be local or international delivery. As an additional free service we mark all our shipments with low price tags to avoid any fees at the customs.

For your absolute convenience in our services we also provide a one year warranty on all our products. Such long warranty period is new to the industry and we are proud to be the first company that provides it. If there are any reasons which make you unsatisfied with the product you get – contact us and we will solve the issue, either replacing your device with just the same or making a refund. You can get a refund within 14 days from the moment of your order delivery. Add this to one year warranty and you will see that you can be totally confident in our shipping and returns reliability.

The KBJ40 Cell Phone Jammer Up to 40 metres radius Dual system comes in 2 models which offer excellent coverage for either the Americas/Canada or European GSM networks. Each transmitter outputs 3 Watts, the total output is 6 Watts.

This cell phone jammer offer superior quality and performance for all small to large commercial applications such as shops, restaurants and offices.

The impressive quality of the construction and finish of this product has to be seen to be believed, on top of that the performance is also exceptionally good.

The other useful feature is that the output power on each transmitter can be adjusted (with a screwdriver).

Please note that only the standard models of KBJ40 Cell Phone Jammer, mobile jammer up to 40 metres radius are available to buy online from this page, however we can make the KBJ40 to meet your own specifications in terms of which cellular bands are to be covered from 800/900/1800/1900/2170 mhz as required in your country. Please let us know if you require a special build.


- Voltage and current: DC 5V / 4A
- Blocking frequencies: GSM 900MHz/1800MHz (USA) or 800MHz/1900MHz (Europe), both - CDMA/TDMA/PCS/DCS/AMPS/NMTP/Nextel
- Blocking radius: 40 meters
- Total power: 6W
- Measurements: 207x112x35 mm
- Weight: 650g
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