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30-40 meters Handed Cell phone Jammer WiFi GPS Blocker

The effective interference distance of this product set is 30-40 meters, the product power and volume are moderate, and it can shield a variety of signals such as mobile phones, WiFi, GPS, and drones. It is the most popular product. Mainly used in medium and large conference rooms and classrooms. It is the best choice for interference distance requirements of 30-40m!
  • Free Fast Delivery

    We process orders within 1-3 business days. Keep in mind that we’re closed on Sunday and national holidays.

    Once your order is processed, and is ready for shipping, you will get a tracking number and estimated delivery date.

    Once your order is shipped, it will be delivered to you within 10 days!

  • Safety Payment

    You can always pay securely with a credit card. If you received the wrong item or did not receive anything at all, you can request a full refund through the credit card channel. Our online store uses SSL encryption to protect your data and privacy.

  • Perfect Service

    If you have any questions about our products and services, you can contact us by email topsignaljammer@gmail.com, or you can communicate with us through the chat software at the bottom right of our website, we will reply to your message within 24 hours , and take care of your questions!