What is the total transmission power?

The average transmission power of each channel is 2-5W, with a total power of 100W.

Is the device safe for human health?

Yes, the transmission power is similar to that of mobile phone signals, and the wireless transmission has no harm to the human body.

What is the minimum order quantity?

The minimum order quantity is 1 set.

Stable Output Mobile Blocker Ja-300

Name: Stable Output Mobile Blocker Ja-300
Brand: Beijing Jia'an Weishi Technology Development Co., Ltd.
SKU: 2155139282

Beijing, ChinaBeijing Jia'an Weishi Technology Development Co., Ltd.

US$300.00-10,000.00

1 Piece

Sample price:US$4000.00/piece.Request sample

Product profile

Transport Package

Wooden Case

Specification

Trademark

Model NO.

JA-300

Origin

Beijing

HS Code

8543709990

Production Capacity

5000

Key features

Full-Band Signal Blocking: Blocks 2G/3G/4G/5G and 2.4G/5.2G/5.8G WIFI signals within 1-30 meters.

25-Channel Independent Control: Built-in 25-channel module ensures comprehensive coverage without blind spots.

Customizable LED LCD Screen: Device can be customized with an LED LCD screen and automatic detection system.

Overheating Protection: Equipped with ACOPS chip system to prevent overheating and ensure stable operation.

Silent Heat Dissipation: Built-in silent cooling fan ensures efficient heat dissipation without noise interference.

Ergonomic Portable Design: Features an ergonomic handle for easy carrying, installation, and storage.

Independent Switch Control: Includes independent switch for walkie-talkie VHF/UHF bands for selective jamming.

Safe Wireless Transmission: Transmission power is similar to mobile signals, posing no harm to the human body.

Company profile

Importers and ExportersIn-stock CapacityFast DeliveryLow MOQ

Beijing Jia'an Weishi Technology Development Co., Ltd.

Beijing, China

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 JA-300 block?

It blocks 2G, 3G, 4G, 5G mobile signals and 2.4G/5.2G/5.8G WIFI, as well as walkie-talkie VHF/UHF bands.

Q:What is the effective jamming distance?

The effective jamming distance is 1-30 meters, depending on the signal strength of the use site.

Q:Can the device be customized?

Yes, the device can be customized with an LED LCD screen and an automatic detection system. Please consult our engineering team for confirmation.

Q:Does the jammer interfere with other electronic equipment?

It will not interfere with other electronic teaching equipment. However, some audio systems may have weakened anti-interference capability due to aging circuits.

Q:How long can the device operate continuously?

The continuous working time is recommended to be 6-8 hours. Please power off when shielding is not needed to avoid overheating.