What are the payment methods?

T/T, Western Union, Paypal, and Credit Card are available, but we suggest paying by Trade Assurance, the most favor, and security method. *Other methods please contact us with more details.

3-Channel Cellphone Car Remote Control Long Distance Shielding Jammer

Name: 3-Channel Cellphone Car Remote Control Long Distance Shielding Jammer
Brand: Shenzhen Greetwin Telecom Co., Ltd
SKU: 1970520055

Guangdong, ChinaShenzhen Greetwin Telecom Co., Ltd

US$120.50-134.20

1 Piece

Product profile

Customization

Available

Application

Examination Hall

Frequency Range

315MHz 433MHz 868MHz

Model NO.

JN3CR

Frequency

315MHz 433MHz 868MHz

Frequencies

315MHz 433MHz 868MHz

Power Supply

AC110-240V, 12V/2A

Built-in Battery

2000mA/H

Built-in Battery Time

1-3hours.

Temperature

-10'c to +50'c

Coverage

30-100m

Antennas

3antennas

Working Time

3hours

Output Power

Transport Package

Neutral Packing

Specification

ISO9001

Trademark

Greetwin

Origin

Shenzhen

HS Code

8517699000

Production Capacity

10, 000PCS/Month

Key features

Customizable Frequencies: Supports customization for 2G/3G/4G/5G, GPS, WiFi, and other standards.

Portable Design: Pocket-sized and lightweight at 0.8kg for easy carrying.

Dual Power Supply: Features built-in 2000mAh battery and AC/Car charger support.

Long Shielding Range: Effective radius up to 100m depending on local signal intensity.

Multi-Channel Support: Equipped with 3 external omni antennas for 315/433/868MHz.

Wide Application Scenarios: Ideal for exam halls, museums, theaters, and confidential meetings.

Sample Availability: Samples offered for all models with 3-5 business day processing.

Secure Payment Options: Accepts T/T, Western Union, PayPal, and Trade Assurance.

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: ≤5.26hTerms 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:Could I get a sample before bulk order?

Yes, we offer the sample for all models but charged.

Q:What should I do if I don't know about 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:Can I customize frequencies?

Yes, we can customize 2G/3G/4G/5G/LoJack 173MHz, VHF, UHF, Walkie-talkie, interphone, 433MHz,315MHz, 868MHz, 450MHz, iDEN, CDMA, GSM, GPRS, DCS, PCS, AWS, WCDMA, UMTS,3G,4G, LTE 700, LTE 800, LTE 2300, LTE 2600, GPS L1, GPS L2, Galileo, Compass, Glonass, WIFI, Bluetooth, WIMAX, UAV, Drone, 5.8G, etc.

Q:What is the shipment date for samples?

Sample 3-5 business days <20 pcs 7-10 days 20-50 pcs 10-20 days >50 pcs Negotiate

Q:What is the delivery date of the sample by DHL/FedEx?

USA/Canada/Europe/Asia 3-5 days Middle East/Latin American 5-7 days African 3-7 days