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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 : 90 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

L***A 2026-04-07

Zippy delivery was the first thing that impressed me. The package arrived well ahead of the estimated schedule, which was a fantastic start. Regarding the product itself, the build quality feels exceptionally solid and durable; it has a substantial, well-engineered heft that inspires confidence. The overall craftsmanship appears meticulous, with no visible flaws or cheap components. As for customer service, my pre-purchase inquiry was met with a prompt, clear, and thoroughly helpful response from the support team, making the entire transaction smooth and worry-free. The attention to detail in packaging also deserves mention, as the unit was securely and professionally packed to prevent any transit damage. This combination of rapid logistics, superior physical construction, and attentive support creates a highly satisfactory purchasing experience from start to finish. I am thoroughly content with the service aspects surrounding this order.

X***R 2026-04-03

The shipping was incredibly fast, arriving well before the estimated date. The packaging was secure and professional, showing clear care in transit. Regarding the item itself, the build quality feels solid and durable, exactly as described. The weight and finish suggest good materials were used. Customer service was responsive and polite when I had a pre-shipment inquiry. They provided clear information promptly. Overall, a very satisfactory purchase experience from start to finish. The product seems well-made, the delivery was efficient, and the support was helpful. I appreciate the straightforward process and the evident attention to detail in both the product packaging and the communication. It was a hassle-free transaction that met expectations on all fronts—logistics, product integrity, and seller interaction. A reliable and commendable service all around.

R***X 2026-03-30

Brisk delivery was the first thing that impressed me. The package arrived well ahead of the estimated schedule, which was a fantastic start. The product itself feels robust and well-made; the construction is solid, giving an immediate sense of durability and quality craftsmanship. It has a substantial, reliable feel in the hand. Regarding service, the communication from the seller was prompt and clear. They provided a straightforward tracking update without any need for me to inquire, which made the process very smooth. The item was packaged securely with ample protection, showing clear attention to detail to prevent any transit damage. Overall, this was a highly satisfactory purchase experience from start to finish, marked by efficiency and a noticeable commitment to customer care. The transaction felt professional and hassle-free.

B***E 2026-03-30

Xceptional experience from start to finish. The shipping was incredibly fast, arriving well before the estimated delivery date. Everything was packaged securely with no signs of damage. The build quality of the unit itself feels robust and solid, much sturdier than I had anticipated for a handheld device. It has a substantial, well-made feel in the hand. Customer service was proactive and informative, providing clear tracking updates without me having to ask. While I cannot comment on the specific operational parameters or performance in use, I am thoroughly satisfied with the logistical handling, the apparent physical quality of the product, and the professional service provided throughout the transaction. The entire process was seamless and efficient.

U***Y 2026-03-28

Fantastic experience from start to finish! The shipping was incredibly fast and efficient. I was pleasantly surprised by how quickly the package arrived, and it was very securely packaged with no signs of damage whatsoever. The quality of the item itself feels superb; it has a solid, well-constructed feel that inspires confidence in its durability. The overall finish and attention to detail are excellent. Customer service was also top-notch. Any questions I had prior to ordering were answered promptly and courteously. The communication was clear and helpful throughout the entire process. It’s clear this seller values their customers and stands behind their products. I am thoroughly impressed with the seamless transaction and the evident care put into both the product and the service. Highly recommended for anyone looking for reliable and professional service coupled with a high-quality item. The entire process was smooth and hassle-free, which is exactly what every customer hopes for. A truly satisfactory purchase all around.

F***X 2026-03-21

Punctual delivery was the first positive note; the package arrived exactly on the promised date without any delays. The packaging was secure and professional, ensuring the item was well-protected during transit. Regarding quality, the device feels solid and well-constructed, with a good weight that suggests durability. The finish is neat, and all components fit together seamlessly, indicating careful manufacturing. Customer service was responsive and helpful when I had a pre-purchase inquiry; they provided clear information promptly. Overall, a smooth and satisfactory experience from order to receipt, focusing on the essential aspects of the transaction.

J***J 2026-03-16

Very efficient delivery service, the package arrived ahead of the estimated schedule which was a pleasant surprise. The build quality feels robust and substantial, exactly as described in the product listing. Customer support was responsive and helpful when I had a pre-shipping inquiry. Overall, a smooth transaction from start to finish.

G***B 2026-03-11

Just received my order and I am thoroughly impressed with the overall experience. The shipping was incredibly fast and efficient, with the package arriving well ahead of the estimated delivery date. Everything was securely packaged, showing great care in handling. Regarding the product itself, the build quality feels robust and solid, exactly as described. The materials used seem durable and high-grade, which is very reassuring for a device of this nature. Customer service was also exemplary; they were responsive and helpful with my pre-purchase inquiries. While I haven't tested the operational specifics yet, the initial unboxing and inspection have been very positive. This purchase process has been seamless from start to finish, and I am very satisfied with the prompt delivery, the apparent quality of the item, and the professional service provided. It sets a high standard for online transactions.

T***J 2026-03-10

Great experience overall with this purchase. The shipping was incredibly fast, arriving much sooner than I anticipated. Packaging was secure and professional, ensuring the item was well-protected during transit. The build quality feels solid and durable, exactly as described. Customer service was responsive and helpful when I had a pre-sale question. I am thoroughly satisfied with this transaction and would confidently order from this seller again. The product appears to be of high standard, and the entire process from ordering to delivery was seamless and efficient. This level of service and product presentation is commendable and makes for a very positive customer experience. I have no complaints whatsoever and am happy to recommend this seller to others looking for reliable products and service.

A***D 2026-03-09

Great experience with this order. The shipping was incredibly fast and the package arrived well ahead of the estimated delivery date, which was a pleasant surprise. Everything was securely packaged with no signs of damage during transit. The build quality of the item itself feels solid and robust, exactly as described. Customer service was also very responsive and helpful when I had a pre-sale inquiry. Overall, a very smooth transaction from start to finish. Highly recommended for anyone looking for reliable service and good quality products.

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