How long does it take to charge the battery?

Full charge takes about 4 hours, providing 1-2 hours of working time.

What is included in the package?

The package includes the portable jammer, power adapter (100-240V), car charger, and manual.

8 Band Portable Bluetooth Network Mobile Jammer GSM 2g 3G 4G Cell Jammer

Name: 8 Band Portable Bluetooth Network Mobile Jammer GSM 2g 3G 4G Cell Jammer
Brand: Shenzhen Greetwin Telecom Co., Ltd
SKU: 1934488125

Guangdong, ChinaShenzhen Greetwin Telecom Co., Ltd

US$115.60

1 Piece

Sample price:US$117.80/piece.Request sample

Product profile

Customization

Available

Frequency Range

2g/3G/4G/2.4G/WiFi/GPS etc

Frequency

900/1800/2100/2400/2600

Model NO.

GW-JN8

Application

Outdoor/Company/Office

Sample Date

3 Business Days

Power Output

4 W

Jam Radius

up to 20meters

Antenna

8 PCS

Weight

1kg

Transport Package

Neutral Packing

Specification

ISO9001

Trademark

Greetwin

Origin

Shenzhen

HS Code

8517699000

Production Capacity

10, 000PCS/Month

Key features

Portable Design: Pocket-sized with cooling fan and rechargeable battery for easy transport.

Multi-Band Control: Adjust ON or turn off any single band without influencing others.

Wide Frequency Range: Covers 2G, 3G, 4G, WiFi, GPS, and more with 8 channels.

Customizable Frequencies: Supports customization for various cellular standards and frequencies.

Long Jamming Radius: Jamming range up to 20 meters depending on local signal intensity.

Versatile Applications: Suitable for meeting rooms, hospitals, gas stations, and transport.

Fast Sample Delivery: Sample available within 3 business days.

Multiple Power Options: Includes AC adapter and car charger for flexible power supply.

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: ≤5.96hTerms 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.