HomeSupplier Discoveryarrow-rightSecurity & Protectionarrow-rightLife Jacketarrow-rightDc Blocker Factories & Companies
Filter
Category
More
Management Certification
More
R&D Capacity
Annual Revenue
No.of Employees
Province & Region
More
about dc blocker
  • Technological Innovation
  • Reliable Supply Chains
  • Substantial Manufacturing Capabilities

dc blocker70+ factories verified

Zhuhai Dewin Communication Technology CO., Ltd.

8 yrs·5.0
·Manufacturer/Factory & Trading Company
Main Products:
RF Power Amplifier Module, Drone Defense System, Drone Detection Device, Anti Drone Antenna
Country/Region:
Guangdong, China
R&D Capacity:
ODM Service
Sample Service:
Sample Available
Company Profile:
Zhuhai Dewin Communication Technology Co., Ltd is established in 2018. It is a leading provider of RF microwave power amplifier, signal jammer, drone jammer, drone detector, and other RF components. Our products incorporate LDMOS, GaN, LORA and Digital VCO technology, which are designed to meet the diverse needs of our clients. The products we offer cover a frequency range of 100-18000MHz, with power levels ranging from 10W to 200W, with the operating temperature range of -40 º C ~+85 º C. Each module we provide has undergone aging testing, meanwhile our modules are characterized by their small size, high efficiency, good stability, and excellent consistency.

Shenzhen Haiyi Science and Technology Electronics Co., Ltd.

9 yrs·5.0
·Manufacturer/Factory & Trading Company
Main Products:
Anti Drone Module, Amplifier Module, Jammer Module, Anti UAV Module, Anti Drone for Backpacks, Anti Drone for Case, Anti Drone for Box, Jammer Antenna
Country/Region:
Guangdong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Shenzhen Haiyi Science and Technology Electronics Co., Ltd. Was established in 2014 and officially registered in 2018. It is a comprehensive high-tech enterprise that integrates research and development, production, sales, and service. Provide signal amplifiers, wireless signal control systems, wireless signal countermeasures, wireless signal blocking devices, and explosion-proof interference devices.

Shenzhen Zd Tech Co., Ltd

5.0
Main Products:
Radar, Power Amplifier Module, Anti Drone Module, Satellite Communication System, Phased Array Antenna, Microwave Components, Sspa, Df Antenna, Block up Converter(Buc), Horn Antenna
Country/Region:
Guangdong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
SHENZHEN ZD TECH Co., Ltd

Jiangsu Wiicontrol Information Technology Co.,Ltd

5.0
·Trading Company
Main Products:
Parking Management Systems, Parking System Equipments, Parking Ticket Dispensers, Anpr Cameras, Parking Meters, Pay and Display Machines, Barrier Gate, Parking Pay Stations, Lpr Cameras, Street Parking Systems
Country/Region:
Jiangsu, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Jiangsu Wiicontrol Information Technology Co., Ltd. is a high-tech enterprise that specialized in commercial automation equipment parts research, development, production, and sales services. Our company has strong research and development strength, providing the design, sample, and production of machines & modules; Meanwhile providing customization service of non-standard products providing maintenance and upgrading of existing products as well as platform-level project development.

Shenzhen Jinyatong Technology Co., Ltd.

15 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Jammer, Cell Phone Jammer, Anti Drone Module, Drone Jammer/Uav Jammer, Prison Jammer/Jail Jammer, Ied Bomb Jammer, Drone Detector, Mobile Phone Jammer, Drone System Fpv Jammer
Country/Region:
Guangdong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
JinYaTong Technology(China) Co., Ltd is a developer, manufacturer and reseller of signal jamming devices company. We provide wireless signal communication products such as prison jammer, backpack jammer, bomb jammer, drone jammer, UAV jammer, cell phone jammer, GPS jammer, WiFi jammer, vehicle jammer, wireless signal detetcor for all over the world.

Shenzhen Xishengtuo Communication Equipment Co., Ltd.

5.0
Main Products:
Jammer, Jammer Module, Signal Amplifier, Signal Booster, Vehicle Jammer, Backpack Jammer, Signal Repeater, WiFi Booster
Country/Region:
Guangdong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Our company was founded in Shenzhen in 2008 and has 17 years of experience in production, R&D, sales and after-sales service. We are one of the earliest OEM manufacturers in China to develop anti-drone systems and signal amplifiers. We have a leading edge in low-altitude drone defense technology and have won the trust and recognition of our customers with our advanced technology and high-quality products.

Shenzhen Necom Telecommunication Technologies Co., Ltd.

4.8
Main Products:
Cellphone Jammers, Mobile Phone Signal Booster, Prison Jammer, RF Signal Detector, Cellphone Detector, Uav Jammer, Lojack Jammer, Wi-Fi Jammers, GPS Jammer, Rcied Jammer
Country/Region:
Guangdong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Shenzhen Necom Telecommunication Technologies Co. Limited founded in 2010, focus on the manufacturing and sales of the telecom products and security equipment and personal privacy protection products.

Ankuai Intelligent Tech Inc

12 yrs·5.0
·Manufacturer/Factory & Trading Company
Main Products:
Barrier Gate, Turnstiles, Sliding Gate, ALPR Parking System, Parking Security Equipment, Face Recognition System, Advertising Barrier Gate, Road Blocker, Tire Killer, Parking Bollard, Parking Lock
Country/Region:
Guangdong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Ankuai Intelligent Tech Inc. is a National hi-tech company which focuses on R& D, producing and sale all kinds of parking system, barrier gates, turnstiles, speed gate, advertising barrier gate, bollard etc. Our products are wildly used on various places, such as airport, hotel, shopping mall, highway toll gate residence community, school etc. Our company has over 50, 000 square meters plant, 25 professional research staff, more than 300 skilled workers, and advanced product equipments, so we can provide high quality products, safer products and we also can provide OEM, ODM services to meet various demands. Till now, we have 73 distributors and 5 sub-companies which can provide fast local service. As a fast growing manufacturer with modern manufacturing facility, we keep getting rid of the stale and bring forth the fresh to meet market requirements and maximize customer's profits. Due to professional R& D team, advanced producing equipments and scientific management, our series of products with excellent quality are selling well not only in China but also all over the world. As an ISO certificated company, till now we have got more than 130 national patents, much more than our competitors, our company is becoming the leading designer and manufacturer. "Safe access, Quick pass" is our slogan. We try our best to maintain a long-term, stable and mutual benefit relationship with all partners, and looking forward to creating miracles through win-win cooperation with you.

Shenzhen Yu Heng Xing Technology Co., Ltd.

4.4
Main Products:
Jammer, Drone Jammer/Uav Jammer, Handheld Signal Jammer, Cell Phone Jammer, Prison Jammer/Jail Jammer, Signal Detector, Cellphone Booster, Signal Jammer, RF Jammer Blocker, Backpack Jammer
Country/Region:
Guangdong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Shenzhen yu heng xing technology Co., Ltd founded in 2013, focus on the manufacturing and sales of the telecom products and security equipment and personal privacy protection products.

Shenzhen Greetwin Telecom Co., Ltd

5.0
Main Products:
Drone Jammer/Uav Jammer, Handheld Signal Jammer, Prison Jammer/Jail Jammer, Ied Bomb Jammer, Manpack Jammer/Pelican Jammer, RF Jammer Module, 4G Signal Booster, GSM Repeater, Mobile Signal Booster, 5g Signal Booster
Country/Region:
Guangdong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Shenzhen Greetwin Technology Co., Limited is one of the leading suppliers which specializes in designing and manufacturing RF Jamming Equipment and Wireless Coverage Products.

Shenzhen Ruicen Technology Co., Ltd.

4.8
Main Products:
Signal Jammer, Drone Jammer/Uav Jammer, Anti Drone Module, Prison Jammer/Jail Jammer, Ied Bomb Jammer, Drone Detector, RF Jammer Module, Signal Detector, Dds Jammer, Portable Jammer
Country/Region:
Guangdong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Shenzhen RDSignal Technology Co., Limited is one of the leading suppliers which specializes in designing and manufacturing RF Jamming Equipment.

Shenzhen Zhengjiangxintong Technology Co., Ltd.

5.0
Main Products:
Anti Drone Module, Jammer, Drone Detector, Jammer Module, Signal Detector, RF Amplifier, Fpv Jammer, Anti Drone Jamme, RF Antennas, Signal Booster
Country/Region:
Guangdong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Shenzhen Zhengjiangxintong (Ching Kong) Technology Co., Limited is one of the leading suppliers which specializes in the research, development, manufacturing, sale and service of RF security equipment.

Tatusky Technology Co., Limited

4 yrs·5.0
·Trading Company
Main Products:
Anti Drone, Drone Detection, Drone Detector, Anti Drone System, Wearable Drone Detector
Country/Region:
Guangdong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Tatusky Technology Co., Limited is a globally recognized high-tech enterprise specializing in the research, development, production, and sales of cutting-edge communication and security products. With a strong emphasis on innovation, reliability, and customer-centric solutions, we have established ourselves as a trusted partner in industries ranging from telecommunications to advanced security systems. Our core product portfolio includes RF modules, power amplifiers, antennas, signal generators, detectors, and state-of-the-art anti-UAV (drone) solutions.

Shenzhen Jinyashun Technology Co., Ltd.

5.0
Main Products:
Jammer, Signal Detector, Bomb Disposal Jammer, Anti-Drone System, Recording Jammer, Cell Phone Jammer, Anti Drone Module, Drone Jammer/Uav Jammer, Prison Jammer/Jail Jammer, Ied Bomb Jammer
Country/Region:
Guangdong, China
R&D Capacity:
ODM Service
Company Profile:
JinYaShun Technology(China) Co., Ltd is a developer, manufacturer and reseller of signal jamming devices. We provide wireless signal communication products such as prison jammer, backpack jammer, bomb jammer, drone/UVA jammer, cell phone jammer, GPS jammer, WiFi jammer, vehicle jammer, wireless signal detectors, GPS trackers, audio recording shielding devices, and other customized security equipment for all over the world.

Rgrfid Technology Co., Limited

4.8
Main Products:
Drone Detector, Drone Jammer Module, Signal Jammer, Drone Jammer, Drone Detector and Jammer, WiFi Repeater, Fpv Detector, Jammer, Cellphone Signal Jammer, Bloqueador De WiFi Bluetooth
Country/Region:
Zhejiang, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Rgrfid Technology Co., Limited

Pinnacle Technology Co., Limited

9 yrs·5.0
·Manufacturer/Factory & Trading Company
Main Products:
Signal Jammer, Signal Blocker, Drone/Uav Jammer, Rcied Bomb Jammer, Swat VIP Portable Jammer, Drone Detection and Jamming System, IMSI Catcher with Locate Positioning, Signal Booster, Rifle Scope
Country/Region:
Guangdong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Pinnacle Technology Company Limited was established in 2010 and mainly working in the field of Security RF Wireless Communication Protection. The product includes Drone Jamming System, Prison Jammer, Military Jammer, School Jammer, Portable Jammer, Defense Jamming System, GSM Jammer, CDMA Jammer, PCS Jammer, 4G LTE Jammer, 5G Signal Jammer, WiFi 2.4G Jammer, 5.8G Jammer, GPS Jammer, Wireless camera Jammer, Remote Control Jammer, RCIED Bomb Jammer, EOD Bomb Disposal 20-6000MHz Signal Jammer, IMSI Catcher, Signal Repeaters in Dual bands and Tri-bands and so on.

Sinico Technology Limited

Main Products:
SDR Jammer, Drone Detector, Uav Detector, Drone Jammer, Tscm, Bug Detector, Security Phone, Security Earphone, Thermal Imager
Country/Region:
Guangdong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Sinico has been deeply involved in the public security field for over 10 years, accumulating extensive domain expertise and practical experience across a wide range of mission-critical scenarios. Our main product portfolio includes IMSI/IMEI Catcher, SDR Signal Jammer, drone detector, drone jammer, Portable TSCM Kit, Encrypted Security Phone, Security Earphone, Thermal Imager, and other advanced technical reconnaissance solutions. Each product is designed with high reliability, field adaptability, and modular customization to meet diverse operational needs. Our solutions are suitable for law enforcement agencies (LEA), emergency rescue teams, defense departments, and related government bodies. With proven strengths in the research, development, and system integration of technical reconnaissance equipment, Sinico delivers end-to-end support - from needs analysis and solution design to deployment, training, and after-sales service. We are committed to helping clients enhance situational awareness, ensure communication security, and effectively counter modern threats. Whether in counter-surveillance operations, border protection, critical infrastructure defense, or public event security, Sinico provides trusted technology and responsive global service capabilities to partners across the world.

Shenzhen Jianhong Communication Technology Co., Ltd.

2 yrs·5.0
·Trading Company
Main Products:
Anti Drone, Anti Drone Module, Drone System, Fpv Jammer, Drone Blocking, Drone Jamming, Drone Jammer, Drone Shielding, Drone Detection, Uav Jammer
Country/Region:
Guangdong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Shenzhen Jianhong Industrial Co., Ltd. Has leading advantages in low-altitude drone defense technology. With its advanced technology and high-quality products, it has won the trust and recognition of its customers.

Guangdong Hewan Information Technology Co., Ltd.

5.0
Main Products:
TSCM Product, Imsi IMEI Catcher, Imsi Detector, Drone Detection, Anti-Drone, Power Amplifier Module, Anti-Drone Module
Country/Region:
Guangdong, China
R&D Capacity:
ODM Service
Sample Service:
Sample Available
Company Profile:
Guangdong Hewan Information Technology Co., Ltd. is a professional manufacturer of products such as mobile phone jamming devices, GPS jamming devices, WiFi jamming devices, 3G jamming devices, 4G jamming devices, Lojack jamming devices, UHF/VHF jamming devices, radio frequency jamming devices, audio jamming devices, wireless video jamming devices, and signal repeaters/ amplifiers/enhancers. Always taking technological innovation as the core driving force, it has been deeply engaged in the field of information and communication technology (ICT), focusing on industry pain points and customer needs, and committed to providing global customers with high-quality, highly reliable products and integrated solutions. With solid technical accumulation, a complete service system, and flexible cooperation models, it has gradually established a professional, efficient, and innovative brand image in the global market. After years of industry practice, we have accumulated a strong technical reserve and industrialization capabilities. We are gradually implementing an operational framework centered around automated production lines, comprehensive information management systems, and a global sales network covering all aspects of the company's operations. Thanks to the persistent close interaction and the collaborative efforts of the R&D team, we have achieved a leading position in multiple core technologies in the industry. We provide unparalleled professional services and advice for personal and commercial products. Our over 10 years of industry experience make us the experts you can trust. We have taken the lead in launching various online jammer sales businesses and offer the most favorable prices globally - ensuring reliability.

Foshan Anlong Communication Equipment Co., Ltd.

5.0
Main Products:
Anti Drone Module, Drone Jammer Module, Power Amplifier Module, Wideband Module, GaN Module, RF Jammer Module, Anti Uav Module, Anti Fpv Module, Uav Detector, Drone Detector
Country/Region:
Guangdong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Foshan Anlong Communication Equipment Co., Ltd., established in 2010 and headquartered in the innovation hub of Foshan, China, is a pioneer in the research, development, and manufacturing of advanced Anti-UAV Systems and Intelligent Radio Frequency Solutions. As a leader in Cognitive Radio Protocol Decryption (CRPD) and AI-Driven Spectrum Analysis (ADSA) technologies, we are dedicated to delivering cutting-edge products for security, defense, and critical infrastructure protection.

Shenzhen Liangyou Communication Technology Co., Ltd.

2 yrs·5.0
·Trading Company
Main Products:
Signal Jammer Moduel, Drone Jammer, Cell Phone Jammer, Drone Jammer System, GPS Jammer, Drone Detector, Anti Drone Jammer Kit, Uav Signal Jammer, GPS Blocker Drone, Drone Jammer Backpack
Country/Region:
Guangdong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
We`re original supplier of Electronic products in Shenzhen China. If you`re interested in to know the prices of backpack, modules, and antennas, I`d like to send you the best prices as well.

Shenzhen Jingwei Technology Co., Ltd.

Main Products:
RF Power Amplifier, Rfpa, Drone Jammer, Jammer, Power Amplifier, Jammer Module, Power Amplifier Module, Module, Amplifier
Country/Region:
Guangdong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Shenzhen Jingwei Technology Co., Ltd., founded in 2015 and headquartered in Shenzhen-China's technology and innovation hub-is a high-tech enterprise specializing in the research, development, manufacturing, sales, and technical services of RF active products and complete RF systems. The company has built deep technical expertise and strong engineering capabilities in the field of radio frequency technology.

RS Security Co., Ltd.

Main Products:
Tripod Turnstile, Flap Barrier, Waist Height Turnstile, Full Height Turnstile, Swing Barrier, Drop Arm Barrier, Speed Gate, Glass Turrnstile, Barrier Gate, Speedlane
Country/Region:
Guangdong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
RS Security Co., Ltd was founded in Nov, 2008 in HK, and factory built in Shenzhen, China. We are specialized in pedestrian access control products, such as tripod turnstile, waist height turnstile, swing turnstile, flap barrier, full height turnstile, drop arm barrier, slim turnstile, speed gate, access control, barrier gate, rising bollard, road blocker, boom barrier, face recognitionand other access control related products. Due to our constant development and improvement these years, we have won a good reputation both in China and oversea. So far, We have business partners in more than 50 countries in the world and the quantity keeps increasing.

BISEN SMART ACCESS CO., LTD.

5.0
Main Products:
Automatic Door, Door Opener, Gate Opener, Barrier, Remote Control, Auto Barrier, Road Blocker, Garage Door Opener, Swing Gate Opener, Sliding Gate Opener
Country/Region:
Jiangxi, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
BISEN SMART ACCESS Co., Ltd was established in 1999, Located in Nanchang Xiaolan Industrial Park, Nanchang city, China. The production area is 100, 000 square metres.

Wolves Team Limited

Main Products:
Anti Drone, Phone Jammer, Signal Jammer, Drone Detector, Drone Jammer, Bomb Jammer, Cell Phone Signal Jammer, Mobile Phone Signal Jammer, Fpv Uav Jammer, VHF UHF Jammer
Country/Region:
Guangdong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
We are specialists in Wireless Signal Security, Professional for Anti Drone, Drone Detector, Signal Jammer, cell phone Jammer, GPS Jammer, WiFi Jammer, GSM Jammer, 3G Jammer, 4G Jammer, Lojack Jammer, UHF/VHF Jammer, RF Jammer, Audio Jammer, Wireless Video Jammer and Signal Repeater, Amplifier, Booster etc.

Beijing Jia'an Weishi Technology Development Co., Ltd.

Main Products:
Cellphone Jammer, Jammer, Signal Jammer, Nonlinear Node Detector, Camera Detector, Environmental Safety Detection, Uav Detection Category, Cellphone Compliance Testing Equipment, Omnidirectional Signal Jammers, Anti-Spy Detector
Country/Region:
Beijing, China
Sample Service:
Sample Available
Company Profile:
Beijing Jia'an Weishi Technology Development Co., Ltd.   is a high-tech companythat provides information security overallsolutions, product research anddevelopment, production and sales, and has beencommitted to the construction ofinformation security and confidentiality rooms, independent research anddevelopment, relying on scientific research, and servingthe people. Customizedsolutions are available according to different applicationscenarios and defenserequirements. All core products have passed professionaltesting, ensuring stableand reliable performance.

Shenzhen Heping Century Technology Co., Ltd.

5.0
Main Products:
Walk Through Metal Detector, X-ray Baggage Scanner, Hand Held Metal Detector, Under Vehicle Inspection System(Uvss), Hydraulic Rising Bollard, Hydraulic Road Blocker, Tire Killer, Gold Detector, Barrier Gate
Country/Region:
Guangdong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
SHENZHEN HEPING CENTURY TECHNOLOGY Co., Ltd (PEACENTURY) is a professional security scanner equipment manufacturer, specialized the development and research in the X-ray imagine technology, metal detection technology, explosive detection, liquid detection and relative security services.

Jiangsu Jin'an Police Equipment Manufacturing Co., Ltd.

21 yrs·4.9
·Manufacturer/Factory & Trading Company
Main Products:
Helmet, Baton
Country/Region:
Jiangsu, China
R&D Capacity:
ODM Service
Sample Service:
Sample Available
Company Profile:
Jiangsu Jin'an Police Equipment Manufacturing Co., Ltd. is located in Jingjiang City, Jiangsu Province which nears Shanghai port and Ningbo Port about 2 hours. Our enterprise can trace back our origin to the beginning of 1990s, were a member of China Security and Protection Industry Association (CSPIA). Jiangsu Jin'an Police is a professional manufacturer and exporter that is concerned with the design, development and production of Safety and Protection Equipment.
13