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Multi-Function Cell Phone Jammer Device Ja-300
US$300.00-10,000.00
1 Piece
Sample price:US$4000.00/piece.Request sample
Product profile
Transport Package
Wooden CaseSpecification
1Trademark
1Model NO.
JA-300Origin
BeijingHS Code
8543709990Production Capacity
5000Key features
Full-Band Signal Blocking: Blocks 2G/3G/4G/5G, WIFI, and VHF/UHF bands with 25 independent channels.
Customizable LED Screen: Device supports customization with an LED LCD screen and automatic detection system.
Overheating Protection: Equipped with ACOPS chip system to prevent overheating and ensure stable operation.
Silent Cooling Design: Built-in silent fan ensures efficient heat dissipation without noise interference.
Independent Switch Control: Features independent switches for selective jamming, enhancing flexibility and practicality.
Ergonomic Portable Design: Lightweight 4KG body with an ergonomic handle for easy carrying and installation.
Safe Wireless Transmission: Transmission power is similar to mobile signals, posing no harm to the human body.
Real-Time Status Monitoring: LED indicators clearly display working status, voltage, current, and temperature.
Company profile
Business Type: Trading Company CertifiedCustomization Options: Customization from Samples CertifiedExport Year: 1year CertifiedNearest Port: Tianjin Port, Qingdao Port, Shenzhen PortAverage Response Time: ≤0.01h CertifiedTerms of Payment: LC, T/T, D/P, etc.
AI-Powered supplier vetting
SummaryThe supplier is identified as a trading company and limited company with one employee, no affiliated company, and a valid import/export license. Its stated business scope covers information security equipment, software, communications, hardware, mechanical equipment, firefighting equipment, and other products. It describes itself as a high-tech provider of information-security solutions, but the available evidence also shows no new products in the past year, no ODM, OEM, or SDK capability, and no documented procedures for supplier-service assessment, corrective actions, or complaint handling. Financial information is limited to references to years for financial-capacity and cash-flow records, without performance values, so financial credibility cannot be determined. No certification, production infrastructure, customization evidence, or customer cases are provided.
Supplier typeThe supplier is explicitly classified as a trading company and a limited company. It has one employee and no stated parent or affiliated company, indicating a very small standalone trading operation rather than an identified manufacturer.
After-Sales capabilityThe supplier has five qualified service-capability suppliers, but it has no written procedures or records for service-capability assessment, an approved-supplier list, corrective and preventive actions, or effective customer-complaint handling. This explicitly indicates weak documented service-management controls.
R&D capabilityThe supplier describes itself as a high-tech information-security solutions provider with independent research and development, but it reports no new product in the past year, no ODM service, no OEM capability for popular brands, and no available SDK. The explicit current capability evidence indicates limited demonstrated innovation output and collaboration capability.
Customization capabilityThe company claims to provide information-security overall solutions and technical development services, which may support solution-level work. However, it explicitly has no ODM service, no OEM service for popular brands, and no SDK, so the provided evidence does not demonstrate product customization capability.
Product Q&A
Q:What frequency bands can the jammer block?
A:
It blocks 2G, 3G, 4G, 5G, 2.4G/5.2G/5.8G WIFI, and walkie-talkie VHF/UHF bands.
Q:What is the effective jamming distance?
A:
The effective jamming distance is 1-30 meters, depending on the signal strength of the use site.
Q:Can the device be customized?
A:
Yes, the device can be customized with an LED LCD screen and an automatic detection system.
Q:Does the jammer interfere with other electronic equipment?
A:
It will not interfere with other electronic teaching equipment, and mobile phones resume normal use immediately when leaving the blocking range.
Q:Is the wireless transmission safe for humans?
A:
Yes, the transmission power is similar to that of mobile phone signals, and the wireless transmission has no harm to the human body.
Send Inquiry
*To:
Beijing Jia'an Weishi Technology Development Co., Ltd.
Beijing Jia'an Weishi Technology Development Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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