How long can the device work on battery?

The built-in 7.4V/10000mAh battery allows for more than 2.5 hours (150 minutes) of continuous working time.

What is the jamming range?

The jamming range is 2 to 20 meters, which depends on the signal strength in the given area.

16 Antenna Selectable GPS WiFi Cell Phone Jammer Phone Blocker Device Mobile Jammer

Name: 16 Antenna Selectable GPS WiFi Cell Phone Jammer Phone Blocker Device Mobile Jammer
Brand: Shenzhen Greetwin Telecom Co., Ltd
SKU: 1965999761

Guangdong, ChinaShenzhen Greetwin Telecom Co., Ltd

US$320.00-345.00

1 Piece

Product profile

Customization

Available

Frequency Range

2g;3G;4G;5g;WiFi;Lojack

Frequency

900;1800;1900;2100;2600;173;433;2400;5800;3600;

Model NO.

GW-JN16EU

Application

Prison;School;Hotel;Libary

Power

12W

Coverage

2-20m, Depend on Local Signal Strength

Weight

2kg

Size

331*93*46mm(Include Antenna)

Gain

2.0dBi

Power Supply

AC110-240V, DC 12V

Working Time

2.5hours

Antenna

16 External Omni Antennas

Transport Package

Neutral Packing

Specification

ISO9001

Trademark

Greetwin

Origin

Shenzhen

HS Code

8517699000

Production Capacity

10, 000PCS/Month

Key features

16 Antenna Selectable Design: Features 16 external omni antennas with DIP switch to turn on/off specific signal bands independently.

Wide Frequency Coverage: Blocks 2G, 3G, 4G, 5G, WiFi, GPS, LoJack, VHF, UHF, and other specific frequency bands.

High Output Power: Total 8.4W output power per band with 2.0dBi gain, capable of exceeding 12W with antenna gain.

Long Working Time: Built-in 10000mAh battery supports over 2.5 hours (150 minutes) of continuous operation.

Adjustable Jamming Range: Effective range of 2 to 20 meters, depending on local signal strength and environment.

Portable and Durable: Compact size with nylon cover, includes car charger for mobile use and cooling fans for heat dissipation.

One Year Warranty: Covers all mechanical defects with free parts and labor for one year from the delivery date.

Customizable Frequencies: Supports customization for various frequencies including GSM, CDMA, LTE, GPS, and UAV bands.

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: ≤6.07hTerms 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 payment methods are available?

T/T, Western Union, Paypal, and Credit Card are available. We suggest paying by Trade Assurance for the most favorable and secure method. Contact us for other details.

Q:What is the delivery lead time?

For less than 20 pcs, lead time is 3-5 business days with 3-7 days delivery. For 20-100 pcs, 7-15 business days. For over 100 pcs, 15-24 business days. Delivery times vary by region and carrier.

Q:Can I customize the frequencies?

Yes, we can customize 2G, 3G, 4G, 5G, LoJack, VHF, UHF, Walkie-talkie, interphone, 433MHz, 315MHz, 868MHz, 450MHz, iDEN, CDMA, GSM, GPRS, DCS, PCS, AWS, WCDMA, UMTS, LTE, GPS, Galileo, Compass, Glonass, WIFI, Bluetooth, WIMAX, UAV, Drone, and 5.8G.

Q:What should I do if I don't know the frequency in my country?

Please feel free to contact us with your inquiry. We will find the frequency you need and address your problems.

Q:What is the warranty period?

We provide a comprehensive one-year warranty for all our mechanical equipment from the delivery date.