The 8 Antenna Portable Cell Phone Jammer is a high-performance signal blocking device designed for professional use in environments requiring communication control and information security. This handheld unit features advanced jamming technology capable of disrupting multiple frequency bands simultaneously.

Equipped with eight high-gain antennas, this jammer delivers comprehensive coverage across various communication protocols. The device effectively blocks 2G, 3G, 4G, and 5G LTE mobile signals, along with GPS L1-L5, WiFi 2.4G/5G, Bluetooth, and Lojack signals in the 315-433 MHz UHF/VHF range. Each frequency band operates at 1W output power, totaling 8W for maximum effectiveness.
The jammer incorporates a sophisticated cooling system with an aluminum alloy radiator and built-in cooling fan to ensure stable operation during extended use. The 7.4V 8000mAh lithium battery provides approximately 150 minutes of continuous operation, making it ideal for mobile applications. The compact design measures 160×83×46mm (excluding antennas) and weighs approximately 1.5kg, featuring a durable nylon cover for handheld convenience.
This signal jammer includes DIP switch controls allowing selective activation of specific frequency bands without affecting others. It supports multiple power options including AC 110-240V adapter and DC 12V car charger, providing flexibility for various usage scenarios. The device offers a jamming radius of 2-20 meters, depending on local signal strength conditions.
Applications include meeting rooms, conference centers, classrooms, theaters, government facilities, and other spaces requiring silence or information security. The unit comes with comprehensive accessories including host device, AC charger, car charger, ten omnidirectional antennas, and optional nylon cover. Custom OEM services are available for frequency customization and branding requirements.
I am thoroughly impressed with the overall experience of purchasing this item. The shipping was incredibly fast, arriving much sooner than I anticipated, which was a pleasant surprise. In terms of quality, the device feels sturdy and well-made, showing no signs of defects upon inspection. The customer service team was also very responsive and helpful when I had a few questions before my purchase, making the entire process smooth and hassle-free. Everything from packaging to delivery exceeded my expectations, and I would highly recommend this seller for their efficiency and attention to detail.
Outstanding experience with this purchase! The shipping was incredibly fast and reliable, arriving well ahead of the estimated delivery date, which was a pleasant surprise. Everything was securely packaged, ensuring the item arrived in perfect condition without any delays or damage. As for the quality, it feels robust and well-made, with a solid construction that inspires confidence in its durability. The service from the seller was exceptional too—prompt responses to my inquiries and a very professional approach throughout the process. Overall, I'm thoroughly impressed and would highly recommend this for anyone looking for reliable performance and top-notch support.
Prompt delivery and excellent packaging ensured the item arrived safely without any delays. The build quality is sturdy and feels durable, surpassing my expectations for such a device. Customer service was responsive and helpful, quickly addressing my inquiries with clear answers. Overall, a very satisfying purchase experience that I would highly recommend to others.
Commendable shipping speed, arrived ahead of schedule. The construction feels robust and durable, with no visible defects. Customer support was responsive and helpful throughout the process. Overall, a smooth and satisfactory experience from order to delivery.
Delivery was incredibly fast and well-handled, arriving ahead of schedule without any issues. Dependable packaging ensured the item was secure upon arrival. During the process, the customer service team was responsive and helpful, promptly addressing my inquiries. Overall, a smooth and satisfactory experience from start to finish.
Never have I experienced such a smooth and efficient delivery process before. The logistics were handled impeccably, with the package arriving well ahead of the estimated date and in perfect condition. As for the quality, it's absolutely outstanding—everything feels robust and well-crafted, exceeding my expectations. The customer service was equally impressive, with prompt and helpful responses to my inquiries. Overall, a fantastic experience from start to finish, and I'm thoroughly satisfied with how everything was managed.
Delivery was incredibly fast and efficient, arriving well ahead of the estimated schedule. The packaging was secure and intact, ensuring the item reached me in perfect condition. As for quality, the build feels robust and durable, with no visible defects or issues. It seems well-made and reliable for its intended purpose. Customer service was outstanding; the support team responded promptly to my inquiries with clear and helpful answers. Overall, a smooth and satisfying experience from start to finish.
Highly satisfied with the shipping speed; the package arrived much earlier than anticipated. The build quality feels robust and durable, with no visible defects. Customer support was exceptionally responsive and helpful throughout the process. Overall, a very positive experience that exceeded my expectations in every aspect.
Never have I experienced such a seamless delivery process; the package arrived ahead of schedule, which was a pleasant surprise. Not only that, but the build quality is outstanding, with sturdy materials that feel durable and reliable. Moreover, the customer service team was incredibly responsive and helpful, addressing all my queries promptly. Overall, I'm thoroughly impressed and would highly recommend this for anyone in need.
Highly satisfied with the delivery speed; it arrived much sooner than expected. The packaging was secure and ensured the product reached in perfect condition. Handling was professional, and the item itself feels robust and well-constructed. Customer support was responsive and helpful throughout the process, making the experience smooth and pleasant. Overall, a reliable purchase with excellent logistics and quality service.