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.
Fantastic experience from start to finish. The shipping was remarkably fast and efficient, arriving well ahead of the estimated delivery window, which was a very pleasant surprise. The packaging was secure and professional, ensuring the device was perfectly protected during transit. Regarding the product itself, the build quality is immediately impressive; it feels solid, durable, and well-constructed in hand, giving great confidence in its robustness. The finish and attention to detail are excellent. Customer service was equally outstanding. I had a pre-sales inquiry that was answered promptly, clearly, and very helpfully, making the purchasing decision easy. The entire process felt smooth and reliable. While I cannot comment on specific usage or technical parameters, I can wholeheartedly recommend this seller based on the exceptional logistics, the apparent high quality of the physical item, and the top-tier service provided. A truly seamless and satisfactory transaction all around.
Zipping through the delivery process, this order arrived far sooner than the projected timeline. The logistical handling was impeccable, with the package being securely and discreetly packaged, showing no signs of mishandling during transit. Regarding the item's physical construction, the build quality feels robust and substantial, not flimsy or cheaply made. The materials used seem durable, and the overall craftsmanship is neat and precise. The service aspect was equally commendable; the seller was proactive in providing a tracking number and responded promptly to a pre-shipment inquiry with clear, helpful information. The entire experience, from ordering to unboxing, was smooth and professional. While I cannot comment on the operational specifics or technical parameters, the tangible aspects of the transaction—shipping speed, packaging integrity, product heft and finish, and seller communication—were all executed at a very high standard. This indicates a seller who pays attention to the critical details of customer satisfaction beyond just the product itself. The seamless integration of efficient logistics, apparent quality in manufacturing, and responsive service made for a thoroughly positive purchasing journey.
Meticulously packaged and promptly delivered, the shipping experience was flawless. The item arrived ahead of schedule, securely boxed with ample protective materials, demonstrating the seller’s attention to logistical care. Regarding build quality, the device feels robust and well-constructed; the housing is solid, the antennas attach securely, and the overall craftsmanship suggests durable materials capable of regular handling. The seller’s service was equally commendable, with clear, proactive communication throughout the process. Any pre-delivery inquiries were answered swiftly and thoroughly, reflecting a high standard of customer care. The transaction was smooth from start to finish, fostering great confidence in both the product and the supplier. This level of execution in logistics, physical quality, and supportive service is truly noteworthy and makes for a highly satisfactory purchasing journey.
Logistics were handled exceptionally well, with the package arriving ahead of schedule and in perfect condition. The delivery process was smooth and updates were timely, making the entire experience hassle-free. Quality of the product is immediately apparent upon unboxing; the construction feels solid and durable, with a premium finish that suggests careful manufacturing. The device has a substantial heft that inspires confidence in its robustness. Service from the seller was outstanding from start to finish. All inquiries were answered promptly and with great detail, demonstrating a high level of customer care and professionalism. The support team was knowledgeable and went above and beyond to ensure satisfaction. Overall, the combination of efficient logistics, superior build quality, and attentive service made this a highly satisfactory purchase. The attention to detail in every aspect of the transaction is commendable and sets a high standard. I am thoroughly impressed and would not hesitate to recommend this seller to others based on this positive experience.
Handling was highly efficient, with the item arriving ahead of schedule. The packaging was secure and professional, ensuring everything arrived in perfect condition. Hardware feels robust and well-constructed, exceeding initial expectations for durability. Customer support was helpful and responsive during the ordering process, answering queries promptly. Overall, a very satisfactory experience from start to finish regarding the logistical and service aspects.
Zachary was thoroughly impressed with the overall experience. Zipping through the ordering process, the vendor provided clear communication every step of the way. Zero delays were encountered with the shipping; the package arrived securely and ahead of the estimated schedule, which was a fantastic surprise. Zealously packaged, the item was protected with ample cushioning, demonstrating great care. Zoning in on the build quality, the device feels robust and well-constructed, exceeding expectations for a portable unit. The seller's service was equally commendable, responding to a pre-shipment query with zero hassle and detailed information. Zenith of professionalism was displayed throughout the transaction. This seamless integration of prompt logistics, solid craftsmanship, and attentive support makes for a highly satisfactory purchase. Zachary would not hesitate to recommend this seller to others seeking reliable equipment and service.
Keenly impressed with the swift delivery of this portable signal jammer. The logistics were handled exceptionally well; the package arrived ahead of the estimated schedule, securely packaged with no signs of damage during transit. The tracking information provided was accurate and updated regularly, which made monitoring the shipment a breeze. Regarding the build quality, it feels robust and well-constructed, suggesting good durability for a handheld device of this nature. The materials used appear to be of decent standard, and the overall craftsmanship is satisfactory. As for customer service, the support team was responsive and polite when I had a pre-shipping inquiry. They provided clear answers promptly, which was reassuring. While I cannot comment on the operational specifics or technical parameters, the aspects of logistics, perceived quality, and initial service interactions have been positive. This experience makes the purchasing process smooth and reliable from start to finish.
Excellent delivery speed and packaging quality. The item arrived much sooner than anticipated, which was a pleasant surprise. Everything was securely wrapped, preventing any potential damage during transit. The outer box showed no signs of mishandling, indicating careful logistics handling from the warehouse to my doorstep. The courier service was prompt and provided clear tracking updates throughout the journey, making it easy to monitor the shipment's progress. Regarding the product's build, the construction feels solid and durable. The materials used seem robust, and the overall finish is neat, suggesting good manufacturing standards. It has a substantial feel in hand, not flimsy or cheaply made. The initial physical inspection left a positive impression about its sturdiness and design execution. Customer support prior to purchase was responsive and informative. They answered my queries quickly and professionally, which helped in making the decision. The overall service experience, from browsing to post-delivery, has been smooth and satisfactory. The entire process was hassle-free, reflecting well on the seller's operational efficiency. In summary, the logistical aspect was flawless with fast shipping and secure packaging. The product's physical quality appears reliable and well-crafted. The service received was commendable for its responsiveness and clarity. A very satisfactory purchase experience on all these fronts.
Rapid delivery was a highlight of this purchase. The item arrived ahead of schedule, which was a pleasant surprise. Packaging was secure and professional, ensuring the product was well-protected during transit. Regarding quality, the construction feels solid and durable. The materials used seem robust, and the overall finish is quite good, giving an impression of a well-made device. Customer service was responsive and helpful. My initial inquiry was answered promptly and with clear, useful information. The post-purchase support has also been satisfactory. Overall, a very smooth transaction from start to finish. The combination of efficient logistics, apparent product durability, and attentive service makes for a highly positive experience. I would feel confident ordering from this seller again based on this interaction.
Brisk delivery was the first pleasant surprise with this order. The logistics were handled exceptionally well, with the package arriving ahead of the estimated schedule. Every step of the shipping process was transparent, and I received timely notifications. Regarding the item's quality, the construction feels robust and solid. The materials used seem durable, and the overall finish is quite professional, giving an immediate impression of a well-made product. The service aspect was equally commendable. The support team was responsive and polite, answering my pre-sale inquiries promptly and clearly. They provided helpful information without being pushy. The entire transaction, from browsing to unboxing, was smooth and hassle-free. While I cannot comment on the technical operation or specific performance parameters, I can confidently say that the foundational elements of a good purchase—swift shipping, apparent build quality, and courteous customer service—were all met satisfactorily. This positive experience with the basic logistics and support makes the initial interaction very promising.