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Free Sample Available - Multi-Band GSM/3G/4G/5G/WiFi Signal Jammer 100-400 Sqm Shielding ODM/OEM, Verified Manufacturer Free Sample Available - Multi-Band GSM/3G/4G/5G/WiFi Signal Jammer 100-400 Sqm Shielding ODM/OEM, Verified Manufacturer
Free Sample Available - Multi-Band GSM/3G/4G/5G/WiFi Signal Jammer 100-400 Sqm Shielding ODM/OEM, Verified Manufacturer Free Sample Available - Multi-Band GSM/3G/4G/5G/WiFi Signal Jammer 100-400 Sqm Shielding ODM/OEM, Verified Manufacturer
Free Sample Available - Multi-Band GSM/3G/4G/5G/WiFi Signal Jammer 100-400 Sqm Shielding ODM/OEM, Verified Manufacturer Free Sample Available - Multi-Band GSM/3G/4G/5G/WiFi Signal Jammer 100-400 Sqm Shielding ODM/OEM, Verified Manufacturer
Free Sample Available - Multi-Band GSM/3G/4G/5G/WiFi Signal Jammer 100-400 Sqm Shielding ODM/OEM, Verified Manufacturer Free Sample Available - Multi-Band GSM/3G/4G/5G/WiFi Signal Jammer 100-400 Sqm Shielding ODM/OEM, Verified Manufacturer
Free Sample Available - Multi-Band GSM/3G/4G/5G/WiFi Signal Jammer 100-400 Sqm Shielding ODM/OEM, Verified Manufacturer Free Sample Available - Multi-Band GSM/3G/4G/5G/WiFi Signal Jammer 100-400 Sqm Shielding ODM/OEM, Verified Manufacturer

Free Sample Available - Multi-Band GSM/3G/4G/5G/WiFi Signal Jammer 100-400 Sqm Shielding ODM/OEM, Verified Manufacturer

US$ 1 ~ 10
Min.Order: 1
Product origin: Shenzhen, Guangdong, China
Category: Electronics
Product Name: Electronics
Availability:In Stock
Product Review : 57 Reviews
Infringement complaint:
* Please contact the supplier via whatsapp first before placing an order
  • Frequency Range : GSM/CDMA/3G/4G/5G/WIFI
  • Effective Shielding Area : 100-400 square meters
  • Operating Temperature : 45-60°C
  • Dimensions : 190×57×116mm
  • Shell Material : Metal
  • Power Supply : High-quality switching power supply
  • Certifications : Industry standard compliance
  • Application : Security-sensitive areas
  • Base Station Distance : Optimal at 200 meters
  • Signal Blocking Technology : Multi-frequency wireless
  • Placement Recommendation : 2 meters height
  • Interference Prevention : No computer/TV interference
  • Customization : ODM/OEM available
  • Quality Control : 100% testing

It takes about 8-10 weeks form order to shipping for a fully custom run—metal shell, 190×57×116mm, and adjustable range from 100 up to about 400 square meters depending on how dense walls are. We basically cover GSM, CDMA, 3G through 5G, and both 2.4 and 5GHz WiFi bands with multi-frequency blocking; it's not a single-band toy.

Signal Jammer Front View

You'll want to mount it at roughly 2 meters height for best coverage, and keep the nearest base station around 200 meters away or so (closer than that and you might not get full suppression). 100% tested before it ships, every unit—no one's skipping QC here. That 45-60°C operating range means it can sit in an unventilated equipment closet without cooking itself.

Signal Jammer Side View

Signal Jammer Technical Diagram

Courts and libraries buy most of these, also some government conference rooms where off-the-record meetings actually need to be off the record. our company can do ODM/OEM on the housing color and power supply labeling (usually 2-4 weeks extra for that). But it's not designed for outdoor permanent installs—the metal shell handles indoor use fine, but weather sealing isn't there.

Signal Jammer Installation

No interference with nearby computers or TVs somehow—what it does is block the handset-to-tower link specifically, not blast everything in the room. One buyer wanted it for a prison visiting area and teh range held steady at 200 square meters even with metal furniture everywhere; we don't have perfect specs for every layout though.

Signal Jammer Quality Control

Any cancellation after production starts is forfeited because we build to your exact frequency and range specs. MOQ is around 50 units for a custom batch, but we can do smaller test orders with standerd tuning if you just need a handful to validate placement. Prices vary by quantity obviously—bigger order drops per-unit cost.

Frequently Asked Questions

What is the minimum order quantity for the Customizable Multi-Band Frequency Signal Jammer?

We can start with as low as 10 units for ODM/OEM orders, but if you need custom branding or frequency bands, we'll discuss based on your specs.

How long is the typical lead time for a standard order of this jammer?

Standard orders ship within 7-10 business days after payment. Customized orders with ODM/OEM take about 15-20 days, depending on complexity.

Does this jammer come with any certification documents for industry compliance?

Yes, it meets industry standard compliance, and we provide test reports and compliance certificates with each shipment to prove it.

Can you clarify the effective shielding area—does it cover 100 or 400 square meters?

It covers 100 to 400 square meters, depending on signal strength in your location. For best results, place it 2 meters high and within 200 meters of a base station.

What's the packaging like for shipping, and how should I store it when not in use?

It comes in a sturdy export carton with foam padding. Store it in a dry place at room temperature, away from direct sunlight.

H***W 2026-02-03

Keenly awaiting this delivery, I must express my overall satisfaction, though with some nuanced observations. The logistics were handled with notable efficiency; the package arrived within the estimated timeframe and was securely packaged, showing no signs of external damage during transit. The tracking information provided was accurate and updated promptly, which allowed for easy monitoring. Regarding the product quality, upon initial inspection, the construction feels robust and the materials seem durable, aligning with the description provided. The finish is professional, and it has a substantial heft that suggests good internal components. As for customer service, my pre-sale inquiry was addressed in a timely and courteous manner. The representative was knowledgeable and provided clear information without being pushy. However, the included instruction manual, while comprehensive, could benefit from slightly clearer diagrams for setup. The unboxing experience was straightforward, with all listed accessories present. While I have not yet deployed the unit operationally, the initial physical assessment and the service interactions have been positive. This first impression based on logistics, apparent quality, and support is promising and meets expectations for a device in this category. The process from order to receipt was seamless, contributing to a trustworthy purchasing experience.

W***N 2026-01-31

The shipping was incredibly fast, arriving well ahead of the estimated delivery date. Tracking information was consistently updated and accurate, which made the entire process very smooth and stress-free. I was genuinely impressed by the efficiency of the logistics service. Regarding the product itself, the build quality is outstanding. It feels solid, well-constructed, and durable, exactly as one would expect from a professional-grade security device. The materials used seem to be of high standard, and the overall craftsmanship is excellent. As for customer service, my experience was top-notch. The support team was responsive, knowledgeable, and very helpful in answering my pre-purchase questions. They provided clear information and were courteous throughout our communication. This level of service adds significant value to the overall purchase. In summary, from the prompt delivery to the robust construction and exceptional support, every aspect of this transaction has been positive. It is a reliable product backed by a reliable company. I would not hesitate to recommend this to others looking for a quality solution in this category.

D***O 2026-01-26

Zipping through the delivery process, the item arrived far sooner than the initial estimate provided. This was a pleasant surprise and speaks volumes about the efficiency of the logistics partner involved. The packaging was exceptionally robust and secure, ensuring the contents were completely protected during transit. There were no signs of mishandling or damage whatsoever. Regarding the product's build, the construction feels solid and durable. The materials used seem high-grade, lending it a substantial and professional heft. It has a clean, discreet design that doesn't draw unnecessary attention, which is ideal for its intended purpose. The overall craftsmanship appears meticulous, with no visible flaws or imperfections in the finish. As for the service experience, it was straightforward and hassle-free. The ordering platform was intuitive, and confirmation was immediate. While I haven't needed to contact customer support for any issues, the availability of clear documentation and a stated support channel contributes to a sense of post-purchase security. The entire transaction, from browsing to unboxing, was seamless and met expectations on these fundamental fronts of logistics, perceived quality, and service ease.

A***O 2026-01-23

My experience with this signal jammer has been quite positive overall. The delivery was remarkably fast, arriving well ahead of the estimated schedule. The packaging was secure and professional, ensuring the device was in perfect condition upon arrival. Regarding the product itself, the build quality feels solid and durable, with a robust casing that suggests it can withstand regular use. The finish is clean and the controls are straightforward. Customer service was responsive and helpful when I had a preliminary question about compatibility, providing clear and timely information. While I cannot comment on the operational specifics or performance parameters, I am satisfied with the logistical handling, the apparent craftsmanship of the unit, and the support received. It arrived as described and seems to be a well-made piece of equipment for its intended purpose.

M***M 2026-01-19

Brisk delivery was a pleasant surprise, with the package arriving ahead of schedule and in perfect condition. The build quality feels exceptionally robust and solid, clearly constructed with durable materials that inspire confidence. Customer service was outstanding, providing prompt and clear responses to my pre-sale inquiries. The overall experience from ordering to unboxing was seamless and highly professional. This item appears to be a very well-made security device, and the efficient logistics made the entire process hassle-free. I am thoroughly impressed with the service quality and the tangible heft and finish of the unit itself. It was securely packaged, and the communication throughout was excellent. A truly satisfactory purchase on all fronts regarding shipping, product integrity, and support.

Q***W 2026-01-17

Just outstanding service from start to finish! The delivery was incredibly fast and handled with great care. The packaging was secure and professional, ensuring the item arrived in perfect condition. I was thoroughly impressed by the efficiency of the logistics team; they provided clear tracking updates and the parcel arrived even earlier than the initial estimate. This level of punctuality and transparency in shipping is truly commendable and made the entire process stress-free. Regarding the product itself, the build quality is exceptional. It feels robust, well-constructed, and precisely engineered, reflecting a high standard of manufacturing. The materials used seem durable and premium, giving me confidence in its longevity and performance. Every component fits perfectly, and the overall finish is sleek and professional, exactly as described. As for customer service, they were simply superb. Any inquiries I had were addressed promptly and with great expertise. The support team was knowledgeable, courteous, and went above and beyond to ensure all my questions were answered satisfactorily. Their responsiveness and willingness to assist truly enhanced the overall purchasing experience. In summary, this was a flawless transaction from an operational standpoint. The combination of rapid, reliable logistics, top-tier product craftsmanship, and exemplary customer support makes this supplier highly recommendable. I am thoroughly satisfied and would not hesitate to order from them again in the future.

W***E 2026-01-16

Brisk delivery was the first pleasant surprise with this order. The shipping notification arrived promptly, and the package itself was securely wrapped, showing clear attention to protective packaging. Transit time was within the estimated window, which is always appreciated. Upon unboxing, the build quality of the unit feels substantial and robust; the materials used seem durable and well-fitted, giving an immediate impression of a serious security device rather than a flimsy gadget. The overall craftsmanship appears meticulous. Regarding service, the communication from the seller was proactive and helpful. They provided clear tracking information and followed up to ensure the shipment was progressing smoothly. Any pre-sales inquiries were answered thoroughly and without unnecessary delay, which fostered a sense of trust. While I cannot comment on the operational specifics or performance parameters, the aspects of logistics, perceived physical quality, and customer service interaction have been entirely satisfactory. The process from order to receipt was seamless and professional, meeting expectations for a transaction of this nature. The item arrived exactly as described in terms of its physical presentation and included accessories. This positive experience with the foundational elements of the purchase—getting the product safely and efficiently—lays a good groundwork. It reflects a well-managed supply chain and a seller attentive to the basic pillars of customer satisfaction: timely delivery, solid construction, and responsive support.

O***Q 2026-01-15

H***A 2026-01-15

Outstanding experience from start to finish. The delivery was remarkably fast, arriving well ahead of the estimated schedule, which was a pleasant surprise. The packaging was secure and professional, ensuring the device was in perfect condition upon arrival. Regarding quality, the build feels solid and durable, exactly as described. It has a substantial, well-crafted feel that inspires confidence in its longevity. The service provided by the seller was exceptional; they were responsive and helpful, promptly answering my pre-purchase questions with clear and detailed information. The entire process was smooth and hassle-free, making me feel valued as a customer. I am thoroughly impressed and would not hesitate to recommend this seller to others based on this seamless transaction.

V***M 2026-01-09

Upon receiving the item, the unboxing experience was straightforward and the packaging was secure, ensuring no damage during transit. The unit itself feels robust and well-constructed, with a solid heft that suggests good material quality. Communication with the seller was prompt and helpful, addressing my pre-shipment queries efficiently. Ultimately, the delivery was faster than initially estimated, which was a pleasant surprise. Using it in a designated area has been straightforward, and it performs its intended function without issue. Overall, a very satisfactory purchase from start to finish.

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