What are the lead times for orders?

During peak season, the lead time is one month; during off-season, it is within 15 workdays.

Is this device suitable for use in hospitals or gas stations?

For special locations like hospitals or gas stations, a field test is required first to ensure no interference occurs with normal equipment operation.

What signals does this jammer block?

It blocks 2G, 3G, 4G, 5G, CDMA 450Mhz, LOJACK, GPS, Wi-Fi, Walkie-Talkie UHF/VHF, and RF signals like 315, 433, 868MHz.

5g GPS WiFi Cell Phone Jammer

Name: Handheld Blocker Mobile Phone 3G/4G/5g GPS WiFi Cell Phone Jammer
Brand: Shenzhen Greetwin Telecom Co., Ltd
SKU: 1968846351

Guangdong, ChinaShenzhen Greetwin Telecom Co., Ltd

US$211.30-233.40

1 Piece

Sample price:US$233.40/piece.Request sample

Product profile

Customization

Available

Frequency Range

20-6000MHz

Frequency

20-6000MHz

Model NO.

GW-JN10PRO

Application

School;Office;Prison

Gain

2.0dBi

Total Output Power

7W, 0.7W Each Band

Jam Radius

2-20meters

Working Time

Continue Working: More Than 2.0+ Hours

Power Supply

AC110-240V to DC12V

Color

Grey

Gross Weight

1.5kg

Product Size

160X83X46mm

Packing Size

25*24*8cm

Transport Package

Neutral Packing

Specification

ISO9001

Trademark

Greetwin

Origin

Shenzhen

HS Code

8517699000

Production Capacity

10, 000PCS/Month

Key features

10-Band Full Spectrum Blocking: Blocks 2G/3G/4G/5G, WiFi, GPS, LOJACK, and Walkie-Talkie signals simultaneously.

High Output Power & Gain: Delivers 7W total power with 2.0dBi gain for effective jamming up to 20 meters.

Long Battery Life: Built-in 7.4V/8000mAh battery supports continuous operation for over 2 hours.

Independent Band Control: DIP switch allows turning on or off specific signal bands without affecting others.

Advanced Cooling System: Features high-efficiency aluminum alloy radiator and built-in cooling fan.

Portable Handheld Design: Compact size with nylon cover for easy carrying on arm or belt.

Dual Power Supply Options: Includes AC charger and car charger for versatile usage in office or vehicle.

Customizable OEM Service: Supports custom frequency bands and silkscreen printing for special requirements.

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: ≤6.14hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB, CIF, EXW, Others

AI-Powered supplier vetting

SummaryThe supplier is explicitly identified as a manufacturer with three production lines and stated output for mobile signal boosters and signal jammers. It offers extensive customization, ODM services, and OEM services for well-known brands, and reports new products within the past year. Its business scope covers communication, security, electronic, and related technical services. Export activity is established, with 51%–70% of sales from exports and markets across multiple regions. Quality and service procedures are documented and followed, including finished-product inspection, corrective actions, and complaint handling. However, no certification information, customer case details, or SDK availability is provided. The supplier reports no in-stock service, overseas warehouse, or overseas showroom capability. Financial information is limited to referenced years and does not provide sufficient evidence to assess financial credibility.

Supplier typeThe supplier is explicitly classified as a manufacturer, and its offering description includes manufacturing capacity and related operational capabilities. This supports identifying it as a manufacturing supplier rather than only a trading or service company.

After-Sales capabilityThe supplier has documented and followed procedures for customer complaints, corrective and preventive actions, and service-capability assessment. However, it reports no in-stock service, overseas warehouse, or overseas showroom capability, so support is procedurally established but geographically and inventory-wise limited.

R&D capabilityThe supplier reports new products within the past year, provides ODM services, and supports multiple forms of customization. It does not have an available SDK, but the evidence still supports product-development capability.

Production capacityThe supplier is a manufacturer operating three production lines, with stated annual quantities of 2,000,000 mobile signal boosters and 2,000,000 signal jammers. It also has valid manufacturing contracts with associated subcontractors and documented finished-product inspection procedures, although it has no in-stock service capability.

Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also offers ODM services, providing strong direct evidence of broad customization capability.