Where can this device be applied?

It is suitable for meeting rooms, conference rooms, museums, theaters, classrooms, factories, banks, and trains.

What are the dimensions and weight?

The device measures 360x180x55mm and weighs 4KG.

Are there any safety warnings for specific locations?

For special locations like hospitals or gas stations, please conduct a field test first to ensure no interference with normal equipment.

45W 9 Band Frequencies Shielding All Wireless Radius 20-70m Cell Phone Jammer

Name: 45W 9 Band Frequencies Shielding All Wireless Radius 20-70m Cell Phone Jammer
Brand: Shenzhen Greetwin Telecom Co., Ltd
SKU: 865133785

Guangdong, ChinaShenzhen Greetwin Telecom Co., Ltd

US$125.00-140.00

1 Piece

Product profile

Customization

Available

Shielding Range

Radius (20-70)M (Based on The Actual Shielding Ran

Antenna Gain

5dBi

Model NO.

GW-JA9

AC Power

100-240V 50/60Hz

Power Consumption

165W

Transport Package

Neutral Packing

Specification

ISO9001

Trademark

Greetwin

Origin

Shenzhen

HS Code

8517699000

Production Capacity

10, 000PCS/Month

Key features

9 Band Frequency Coverage: Shields frequencies from 800MHz to 2700MHz including GSM, 3G, 4G, and WiFi.

Adjustable Output Power: Each band delivers 5W power with adjustable output via potentiometer.

Independent Band Control: Each of the 9 bands can be switched on or off individually without affecting others.

Wide Shielding Range: Effective shielding radius of 20 to 70 meters depending on local signal strength.

High Gain Antenna: Equipped with 5dBi omnidirectional antennas for enhanced remote shielding.

Robust Heat Dissipation: Aluminum shell with cooling ventilation trough and built-in high-power fan.

Durable Construction: Made of metal case with good wear resistance for long-term operation.

Versatile Application: Suitable for meeting rooms, museums, factories, and other secure locations.

Company profile

High Repeat Buyers ChoiceYears of Export Experience3D Software DesignR&D Capabilities

Shenzhen Greetwin Telecom Co., Ltd

Guangdong, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2009-08-01Nearest Port: ShenzhenAverage Response Time: ≤5.18hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB, CIF, EXW, Others

AI-Powered supplier vetting

SummaryThe supplier is identified as a manufacturer with three production lines and stated output of mobile signal boosters and signal jammers. It provides broad customization, ODM, and OEM services, including OEM support for recognized brands, and reports product development during the past year. Its business scope covers communication, security, electronic, and related equipment, with import and export permitted. Production and export capabilities are documented, including markets across multiple regions and a stated off-peak lead time within 15 working days. Service procedures, corrective actions, complaint handling, and finished-product inspection procedures are documented and followed. However, the supplier reports no available SDK, no in-stock service, and no overseas warehouse or showroom. The provided information does not establish certifications, financial strength, or specific customer cases.

Supplier typeThe supplier is explicitly classified as a manufacturer. Its described offerings cover manufacturing capacity, quality control, R&D, export trade, and related capabilities, supporting a direct manufacturing profile.

After-Sales capabilityThe supplier has written procedures and followed records for service assessment, corrective and preventive actions, and customer complaint handling. However, it reports no in-stock service capacity, overseas warehouse, or overseas showroom, indicating procedural service capability but limited stated overseas support infrastructure.

R&D capabilityThe supplier reports new products during the past year, offers ODM services, and supports customization from samples and designs. It does not have an available SDK, which limits the documented software-development interface capability, but this alone does not negate the stated product R&D evidence.

Production capacityThe supplier is a manufacturer operating three production lines and reports annual production quantities of 2,000,000 mobile signal boosters and 2,000,000 signal jammers, with a stated off-peak lead time within 15 working days. It also has valid manufacturing-capacity contracts with each associated subcontractor, although no in-stock capacity is available.

Customization capabilityBoth slices explicitly list customization from samples, designs, full customization, minor customization, and flexible customization. The supplier also reports ODM availability, providing direct evidence of broad customization capability.

Product Q&A

Q:What is the shielding range of this jammer?

The shielding range is approximately 20 to 70 meters, depending on the local signal strength.

Q:How many frequency bands does it support?

It supports 9 bands covering frequencies from 800MHz to 2700MHz.

Q:Can I control each band individually?

Yes, each band can be switched on or off independently without affecting the operation of other segments.

Q:What is the output power per band?

Each band has a powerful output of 5W, and the total power consumption is 165W.

Q:Is the antenna removable?

Yes, the device features a high gain antenna that is removable for flexible use.

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45W 9 Band Frequencies Shielding All Wireless Radius 20-70m Cell Phone Jammer