What payment methods are available?

T/T, Western Union, PayPal are available. Other methods please contact us with more details.

What is the warranty period for this device?

We provide a one-year warranty from the delivery date.

What are the main applications for this signal jammer?

It can be applied at meeting rooms, conference rooms, museums, galleries, theatres, concert halls, churches, temples, restaurants, classrooms, training centers, factories, banks, trains, bus and more places that require silence, confidentiality and information security.

12 Antenna Convenient Handheld 3G 4G 5g Mobile Wi-Fi Bluetooth GPS Signal Blocking Device

Name: 12 Antenna Convenient Handheld 3G 4G 5g Mobile Wi-Fi Bluetooth GPS Signal Blocking Device
Brand: Shenzhen Zhengjiangxintong Technology Co., Ltd.
SKU: 2109280955

Guangdong, ChinaShenzhen Zhengjiangxintong Technology Co., Ltd.

US$328.00

1-99 Pieces

US$228.00

100+ Pieces

Sample price:US$328.00/piece.Request sample

Product profile

Customization

Available

Frequency Range

GSM CDMA 3G 4G 5g Wi-Fi GPS Lojack Bluetooth

Frequency

900;1800;2100;2600;1500,173;2400;5800;3600

Model NO.

CKJ-1816N12

Application

Car, Hotel, Office,School

Channels

12 Antenna 12 Channels

Output Power

8.4W 0.7W Each Band

Block Range

2-20 Meters Depends on Signal Strength

Power Supply

AC100-240V or DC12V Car Charger

Working Time

Around 120 Minutes

Cooling System

Aluminum Alloy Radiator, Build-in 2 Fans

Size

165*96*46mm (Not Include Antenna)

Portable

Nylon Cover Handheld

Warranty

1 Year

Transport Package

Neutral Packing

Specification

IS09001/ISO14001

Trademark

Ching Kong

Origin

China

HS Code

8517699000

Production Capacity

5 000PCS/Month

Key features

12 Antenna Full Band Blocking: Blocks 2G/3G/4G/5G, GPS, Wi-Fi, Bluetooth, and UHF/VHF signals with 12 independent channels.

High Output Power 8.4W: Delivers 0.7W per band for a total of 8.4W output power with high gain antennas.

Long Battery Life: Built-in 7.4V 10000mAh battery provides around 120 minutes of continuous working time.

Effective Jamming Range: Achieves a shielding radius of 2-20 meters depending on local signal strength.

Advanced Cooling System: Features aluminum alloy radiator and built-in 2x cooling fans for efficient heat dissipation.

Portable Handheld Design: Compact size (165*96*46mm) with nylon cover, weighing approx. 1.5kg for easy carrying.

Customizable OEM Service: Supports custom brand logos and frequency configurations for OEM/ODM orders.

Independent Channel Control: Equipped with DIP switch to turn on/off any signal band without affecting others.

Company profile

Shenzhen Zhengjiangxintong Technology Co., Ltd.

Guangdong, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2022-11-21Nearest Port: ShenzhenAverage Response Time: ≤8.79hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB, EXW, CIF, Others

AI-Powered supplier vetting

SummaryShenzhen Zhengjiangxintong Technology Co., Ltd. is a China-based limited company identified as both a trading company and manufacturer/factory, specializing in RF security equipment and related anti-drone and jamming products. It reports ISO 9001:2015 and ISO 14001:2015 certifications, two production lines, a professional R&D team, 6–10 R&D engineers, 6–10 quality-control staff, and stated output of 30,000 signal-jammer sets. The supplier claims standardized testing, ageing tests, exports to more than 60 countries and regions, and broad international market coverage. Evidence supports manufacturing, quality-system, production, and international-delivery capabilities. However, the provided information does not sufficiently verify after-sales service depth, financial credibility, product customization, or identifiable customer cases.

Supplier typeThe supplier is explicitly classified as both a trading company and a manufacturer/factory. It is a limited company based in Shenzhen, Guangdong, China, indicating a formal corporate structure with stated manufacturing involvement.

CertificationsThe supplier states that its products have passed ISO 9001:2015 and ISO 14001:2015 quality-system certifications, and the management-system record also lists ISO 9001 and ISO 14001. This provides explicit evidence of recognized quality and environmental management systems.

R&D capabilityThe supplier states that it conducts product research and development, has a professional R&D team with 6–10 years of total R&D-engineer experience, and launches several new products annually. These claims provide explicit evidence of ongoing product-development capability.

Production capacityThe supplier reports two standardized production lines, an 800-square-meter workshop and office area, daily production of hundreds of units, and annual signal-jammer productivity of 30,000 sets. It also states that each device undergoes repeated data and ageing tests and that standard delivery can be completed within 15 working days in both off-peak and peak periods.

Product Q&A

Q:Could I get a sample before bulk order?

Yes, we offer samples for all models, but the sample costs, shipping and taxes are paid by the buyer.

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 deal with your problems.

Q:Can I customize frequencies or accept OEM/ODM order?

Yes, we can customize the brand logo and frequencies. We can customize mobile phone 2G/3G/4G/5G, RF LORA, LOJACK 173MHz, VHF, UHF, Walkie-talkie, 433MHz, 315MHz, 868MHz, 915MHz, CDMA450MHz, 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 and bulk orders?

Sample: 1-3 business days. <20 pcs: 3-5 days. 20-200 pcs: 7-15 days. >200 pcs: Negotiate.

Q:What is the delivery time for samples via DHL/FedEx/UPS/EMS?

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