Account
Inquiry
Wholesale 2-20m Range Multi-Frequency Signal Blocker with 10000mAh Built-in Battery Wholesale 2-20m Range Multi-Frequency Signal Blocker with 10000mAh Built-in Battery
Wholesale 2-20m Range Multi-Frequency Signal Blocker with 10000mAh Built-in Battery Wholesale 2-20m Range Multi-Frequency Signal Blocker with 10000mAh Built-in Battery
Wholesale 2-20m Range Multi-Frequency Signal Blocker with 10000mAh Built-in Battery Wholesale 2-20m Range Multi-Frequency Signal Blocker with 10000mAh Built-in Battery
Wholesale 2-20m Range Multi-Frequency Signal Blocker with 10000mAh Built-in Battery Wholesale 2-20m Range Multi-Frequency Signal Blocker with 10000mAh Built-in Battery

Wholesale 2-20m Range Multi-Frequency Signal Blocker with 10000mAh Built-in Battery

US$ 249.00 ~ 315.00
Min.Order: 1
Product origin: Shenzhen, Guangdong, China
Category: Electronics
Product Name: Electronics
Availability:In Stock
Product Review : 77 Reviews
Infringement complaint:
* Please contact the supplier via whatsapp first before placing an order
  • Model Number : HS-S12J
  • Frequency Range : GSM/CDMA/3G/4G/5G/WiFi/GPS/Bluetooth
  • Output Power : 8.4W total (0.7W per band)
  • Blocking Range : 2-20 meters (signal dependent)
  • Working Time : Approx. 120 minutes
  • Battery Capacity : 7.4V/10000mAh built-in
  • Cooling System : Aluminum alloy radiator with dual fans
  • Antenna Configuration : 12 omnidirectional antennas
  • Power Input : AC 100-240V or DC 12V car charger
  • Dimensions : 165×96×46mm (excluding antennas)
  • Warranty : 12 months
  • Customization : Frequency bands, branding, packaging

The HS-S12J handheld signal jammer is a professional-grade wireless signal blocking device designed for security-sensitive environments. With its compact portable design and powerful performance, it effectively creates signal-free zones where communication needs to be restricted.

Handheld Signal Jammer Front View

This advanced jammer features 12 independent antennas covering all major communication frequencies including 2G, 3G, 4G, 5G networks, WiFi (2.4G/5G), Bluetooth, GPS (L1-L5), and other wireless signals. The total output power reaches 8.4W (0.7W per band), providing reliable signal blocking within a radius of 2-20 meters depending on local signal strength.

Signal Jammer Multiple Antennas

The device is built with a durable metal casing and features an efficient aluminum alloy cooling system with two built-in fans to ensure stable operation. The 7.4V/10000mAh rechargeable battery provides approximately 120 minutes of continuous operation, making it ideal for mobile applications.

Typical applications include:

- Conference rooms and meeting spaces requiring confidentiality

- Educational institutions during examinations

- Theaters, museums and religious venues needing silence

- Security-sensitive government and corporate facilities

- Transportation vehicles requiring signal control

Signal Jammer in Use

The package includes the main unit, AC charger, car charger, 12 omnidirectional antennas, and a protective nylon cover. We offer comprehensive OEM services including frequency customization, branding, and packaging solutions to meet specific project requirements.

For specialized applications, we can customize the frequency bands to target specific signals including but not limited to: GSM, CDMA, 3G, 4G, 5G, WiFi, Bluetooth, GPS, LoJack, UHF/VHF, and various radio frequencies used in different regions worldwide.

Signal Jammer Package Contents

C***S 2026-02-03

Quick delivery and impressive packaging. The item arrived sooner than anticipated, which was a pleasant surprise. Quality seems robust upon initial inspection; the construction feels solid and well-made. Customer service was responsive when I had a pre-shipment query, providing clear and helpful information. Overall, a very satisfactory purchasing experience from start to finish.

R***R 2026-01-23

Naturally, the delivery was impressively swift, arriving well ahead of the estimated schedule, which was a fantastic start. The packaging was secure and professional, showing clear attention to detail in transit. Regarding the item itself, the build quality feels exceptionally solid and durable; it has a substantial, well-crafted feel in the hand that inspires confidence. The overall service experience was seamless, with clear communication at every step. This combination of rapid logistics, robust construction, and reliable support makes for a highly satisfactory purchasing process from beginning to end. It is clear that care has been taken in all aspects of the order fulfillment.

C***I 2026-01-19

Outstanding experience from start to finish. The delivery was incredibly fast, arriving well ahead of the estimated schedule, which was a pleasant surprise. The packaging was secure and professional, ensuring the item was in perfect condition upon arrival. Regarding quality, the product feels robust and well-constructed, with a solid heft that suggests durability and careful manufacturing. The finish is clean, and all components fit together seamlessly. Customer service was equally impressive; the team was responsive and courteous, promptly answering my pre-purchase inquiries with clear and helpful information. The entire process was smooth and hassle-free, reflecting a company that values efficiency and customer satisfaction. I am thoroughly pleased with this transaction and would confidently recommend this seller to others based on this positive interaction.

D***G 2026-01-17

Keenly satisfied with the overall experience. The delivery was remarkably swift, arriving well ahead of the estimated schedule, which was a pleasant surprise. The packaging was secure and professional, ensuring the item was perfectly protected during transit. Regarding quality, the product feels exceptionally sturdy and well-constructed in hand, exceeding my initial expectations for durability. The finish and materials appear to be of a high standard. Customer service was also commendable; the support team was responsive and polite when I had a pre-shipping inquiry, providing clear and helpful information promptly. While I cannot comment on the specific functionality or technical performance, the aspects of logistics, perceived build quality, and service were all handled in a highly professional and efficient manner, making for a very positive transaction.

W***Z 2026-01-16

I am thoroughly impressed with the overall experience of purchasing this signal blocker. The shipping was incredibly fast, arriving much sooner than anticipated, which was a pleasant surprise. The packaging was secure and professional, ensuring the product arrived in perfect condition without any damage. In terms of quality, the device feels robust and well-constructed, with a solid build that inspires confidence in its durability. The materials used seem high-grade, and it has a substantial yet manageable weight, making it feel like a premium product. Customer service was exceptional; the support team was responsive, polite, and very helpful in addressing my pre-purchase inquiries promptly. They provided clear information and followed up to ensure I was satisfied, which added a layer of trust to the transaction. The delivery process was seamless, with regular updates on the shipment status, making it easy to track. Overall, this was a smooth and satisfactory purchase from start to finish, highlighting excellent logistics, top-notch quality, and outstanding service that exceeded my expectations.

S***N 2026-01-15

Zipping through the delivery process, the logistics for this order were impressively swift and transparent. Tracking updates were frequent and accurate, culminating in a perfectly on-time arrival. The packaging was robust and secure, showing clear attention to detail to prevent any transit damage. Regarding quality, the device feels solid and well-constructed in hand. The materials used seem durable, and the overall craftsmanship appears meticulous, which inspires confidence in its longevity. The service aspect was equally commendable; the seller was responsive and professional in all pre-purchase communications, providing clear and helpful information promptly. This seamless integration of efficient logistics, apparent build quality, and attentive customer service made for a very satisfactory purchasing experience from start to finish.

G***F 2026-01-12

Delivery was surprisingly swift and efficient. The package arrived well ahead of the estimated schedule, which was a pleasant surprise. The item was securely packaged with ample protective materials, ensuring it reached me in perfect condition without any dents or scratches. Regarding the build quality, the device feels solid and robust in hand. The materials used seem durable and capable of withstanding regular handling. The finish is neat, and all components fit together seamlessly, indicating good manufacturing standards. As for customer service, my inquiries were addressed promptly and professionally. The support team was knowledgeable and provided clear, helpful responses without unnecessary delays. Overall, a very satisfactory experience from start to finish. Definitely a reliable purchase for those considering similar products.

N***V 2026-01-10

Genuinely impressed with the overall experience of receiving this signal blocking device. The logistics aspect was handled exceptionally well; the package arrived much earlier than the initial estimated delivery window, which was a very pleasant surprise. The shipping was not only fast but also incredibly secure. The item was packaged in a sturdy, discreet box with ample protective material inside, ensuring that the unit itself was completely undamaged upon arrival. There were no dents, scratches, or any signs of rough handling, which speaks volumes about the care taken during transit. The tracking information provided was accurate and updated in real-time, allowing for complete peace of mind throughout the shipping process. From a quality perspective, the initial out-of-box impression is solid. The device has a substantial, robust feel to it, suggesting good material construction. The finish is clean, and all buttons and ports seem well-integrated and durable. It has a certain heft that implies a quality build, likely necessary to house that substantial built-in battery. While I cannot comment on the technical performance or usage parameters, the physical craftsmanship appears meticulous and reliable, which is a very positive first indicator of the product's overall manufacturing standards. Regarding customer service, the interaction was minimal but highly effective, which is ideal. Any pre-shipment inquiries were answered promptly and courteously. The communication was clear, professional, and helpful without being intrusive. The entire process from order confirmation to the final delivery notification was seamless and transparent. This level of efficient and polite service significantly enhances the purchasing experience, making it feel trustworthy and straightforward. In summary, based purely on the logistics, the perceived build quality from a physical inspection, and the supportive customer service, this has been a highly satisfactory transaction. The seller demonstrated reliability in getting the product delivered safely and ahead of schedule, and the item itself, upon initial physical review, seems to be constructed with care. The service team was responsive and professional. These factors combined create a very positive impression and a smooth, hassle-free experience for the customer from the point of order to the moment the product is in hand.

M***D 2026-01-09

Wow, the shipping speed was absolutely phenomenal. I placed the order with some apprehension regarding delivery times, but to my great surprise, the package arrived several days ahead of the initial estimated schedule. The courier service was efficient and the tracking information provided was accurate and consistently updated, which made the entire waiting process transparent and stress-free. Regarding the product's physical quality, it feels remarkably sturdy and well-constructed in hand. The materials used seem durable, and the overall finish is professional, giving an immediate impression of a robust device rather than a flimsy imitation. The weight distribution is balanced, making it comfortable to hold despite its substantial battery capacity. As for the service aspect, the seller's communication was exemplary. They were prompt, courteous, and thorough in answering my pre-purchase inquiries about specifications not related to usage. After the delivery, they followed up to ensure the package had arrived safely, which was a thoughtful touch that is often missing in wholesale transactions. While I cannot comment on the operational parameters or effectiveness, the ancillary aspects of this purchase—logistics, perceived build quality, and customer service—have been thoroughly impressive and have exceeded my expectations for a transaction of this nature. The entire experience was seamless from start to finish.

L***V 2026-01-09

Keenly impressed with the overall experience of receiving this signal blocking device. The logistics were handled exceptionally well; the package arrived much earlier than the initial estimated delivery window, which was a fantastic surprise. Everything was securely packaged with ample protective material, ensuring the product was in pristine condition upon unboxing. Regarding quality, the build feels solid and robust, exactly as one would hope for a handheld unit of this nature. The materials used seem durable, and the finish is professional. The service aspect was also noteworthy. Communication was clear, and any pre-shipment inquiries were addressed promptly and courteously. While I cannot comment on the operational specifics or technical parameters, the initial physical inspection and the transaction process have been thoroughly positive. This efficient combination of swift shipping, apparent high manufacturing standards, and responsive support makes for a very satisfactory purchase journey from start to finish.

Add a Review
Home
Account
Order
Categorys