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  Shenzhen ATNJ Communication Technology Co.,LTD--Lead the future, connecting the infinite.

  Shenzhen ATNJ Communication Technology Co.,LTD is located in Shenzhen, Silicon Valley, China.

  We committed to the R&D, production and sales of low-altitude economy, Software Defined Radio (SDR) platforms, customized AI algorithm for software radio, Ultra-Wideband (UWB) Power Amplifiers, RF module, communication network optimization solution and other products, it is a professional OEM and ODM communication equipment R&D manufacturing factory.

  Established in 2010, the company has a large number of senior communication technology talents. Including Shenzhen Manufacturing Headquarters, Guiyang Branch, Xiamen Digital Development Center, and customized AI algorithm team; The R&D team has been engaged in communication, radio frequency, software defined radio (SDR), hardware, customized software AI algorithm and other senior engineers for many years, and has rich experience in the fields of phased radar, radio, RF microwave and electronics.

  The company has a large number of patent certificates, such as China Radio Committee approval certificate, China Ministry of Industry and Information Technology network access license, China Taier laboratory test certification certificate; At the same time, it has also passed the European RED-CE certification and ROHS certification.

The company's main business includes Hardware design, Software development, Algorithm customization, RF module or the whole device system product development and OEM service.

  In recent years, the company has invested in Low-Altitude Economy, Radio Frequency Technology, Radio Anti-flying, Air control and other fields; ,The professional (SDR) products are developed by using the powerful FPGA+Transceiver. Such products have attracted much attention and praise; At present, the company adopts the deep access and application development of intelligent language model AI, and has become a customized AI product for radio communication.

Here we highlight the key service that guarantee our unwavering commitment :

①. Active DAS: Off-air repeater, frequency shift repeater, fiber optic repeater, inline booster.

②. In cabinet active RF module&parts: LNA, PA, optic transceiver, channel/band selector, frequency shifter, bias tee, PSU.

③. In cabinet passive RF module&parts: multiplexer, filter, channel combiner, semi rigid/flexible jumper.

④. Passive DAS: POI, multi-band combiner, hybrid combiner, splitter, coupler, tapper, cable assembly, antenna.

⑤. SDR core board solution.

⑥. RF Chip: Dedicated DFE chip,Dedicated RF modem chip.

⑦. Phased array radar technology and software algorithm.

⑧. ECM system.

⑨. Critical communications solution.

⑩. Public/private network BTS solution.

The future is the era of high-speed development of low-altitude economy and the era of intelligent AI outbreak. As a leader in the industry, ATNJ has always followed the pulse of the times and adhered to its original intention, and we are committed to providing customers with excellent communication solutions, providing quality OEM and customized ODM services.

ATNJ has multiple shopping platforms in domestic and foreign markets, like TaoBao, TMall, JD, Alibaba, Aliexpress, Made-in-China, Global Source and so on. Customers place orders directly to ATNJ through the online store, and ATNJ would ship the signal repeater within the specified time.

ATNJ also offers customized services. Customers place customized orders to ATNJ according to their needs, including customized frequency, customized power, customized function, customized appearance, customized logo, etc.

ATNJ accepts bulk orders and OEM and ODM orders. With the advertisement of signal repeater, ATNJ cooperated with many distributors all over the worlds. We receive a large number of bulk orders every month, and ship to all parts of the worlds.

Drop shipping service is also provided by ATNJ. Customers/Distributors have their own online stores. After users place orders on their stores, customers/distributors would place orders on ATNJ, and ATNJ would ship the cargo from ATNJ factory. Product quality and after-sales service are provided by ATNJ.

Signal coverage solution for large area . ATNJ has provided effective large area coverage scheme system for many customers at domestic and foreign markets. Application scenario: Parking lot, Tunnel, Shopping Mall, Factory, Basement and Outdoor signal coverage like rural area. You could please turn to our Case Centre to check.

● Extensive Product Portfolios: We offer a wide range of products, ensuring that you have access to a diverse selection that meets your specific requirements:

● High End Concept: Our relentless pursuit of the latest technology and our unwavering dedication to commercialization and massive production sets us apart.

● Strong R&D Team: We boast a team of talented and highly skilled professionals who consistently push the boundaries of innovation.

● Customized Product Development: With our exceptional ability to develop customized products in the industry, we ensure that the unique needs of our customers are met with the highest precision and efficiency.

● Expert Solutions: A team of experts with 20 to 30 years of experience is committed to providing perfect solutions, specifically tailored to the challenges faced by our valued customers.

● ISO/CE Certified Quality: Our commitment to excellence is underscored by the certification of our products, ensuring superior quality and reliability

Contact us and place order now, to have better signal, better life.

2010- Established Shenzhen ATNJ Communication and Technology Company Limited.

Started to produce all kinds of signal repeater for our Chinese market.

2012- ATNJ began to co-operate with Chinese signal operators: China Unicom, China Mobile, China Telecom.

2013- Indoor Distributed Antennas System Solution was launched in 2013.

2014- Intelligent signal repeater with LCD screen display was developed and put into market in 2014.

2015- ATNJ showed on Hong Kong Global Sources Exhibitions Mobile Electronics from 2015-2018.

2018- ATNJ showed on Mobile World Congress in Mar. 2018.MWC.

2019- Two MS ports signal repeater was developed and put into market in 2019.

2020- Smart digital module signal repeater with WIFI connection monitoring function was developed.

2021- 5G signal repeater independently developed by ATNJ was put into Chinese market.

2022-2024--Lauch the R&D of low-altitude economy, Software Defined Radio (SDR) platforms, customized AI algorithm for software radio, Ultra-Wideband (UWB) Power Amplifiers.

2025-ATNJ attended The Mobile World Congress in Mar. 2025.MWC.

To be continued.

Company Structure

Li Hao (Harry Li), our boss who has worked in the communications industry for more than 20 years. After graduating from college, Harry worked in a communications company for about 10 years. After accumulating rich experience, he recruited many experienced engineers and established ATNJ.

Highly qualified communication technology Engineers. ATNJ brings together a team of engineers with more than ten years of working experience in communication industry, who are engaged in signal booster R&D, design, debugging, testing, and its pre-production to ensure it could comply with International Standards. For the sustainable development of the company, some young engineers are also employed. Because of their hard work, the ATNJ's products can be continuously updated and iterated.

ATNJ is equipped with various advanced and professional instruments to support the work of the R&D department, like spectrometer, signal machine, high and low temperature box, signal shielding room, power tester, aging test room.

Excellent sales team. ATNJ's sales team consists of two professional managers in the communication industry and more than a dozen salespeople who are aspired to developing in the communication industry. Both sales managers have more than ten years of working experience and have a full understanding of the communication industry. Under their leadership, the sales team has achieved excellent sales results in both Chinese and overseas markets. In 2021, ATNJ founded its branch office in Guizhou Province, which shows the company is still developing.

ATNJ has more than 50 workers, some of who have been working in ATNJ since ATNJ was founded in 2010. Workers need to be responsible for product assembly, debugging, software installation and other work. Their meticulous working attitude ensures the high quality of signal repeater.

Quality control department. QC dept needs to check carefully the materials from our supplier, test the signal repeater newly produced before shipping to client. In addition, they are in charge of all the after-sales signal repeater.

During the Exhibition-2019 in Hong Kong, Mr.Oscar Castanon from America came to ATNJ's booth to talk with us and get to know about ATNJ's signal repeaters. Since then, we have established a cooperative relationship and have been cooperating until now.

In Global Source Exhibition - 2019 in Hong Kong, our old friend Mr. Mark Dalen came to our booth, had a kind conversation with our manager and left a group photo with him.

Vincent from Philippines visited our booth in Hong Kong, and established a long term co-operation.

Mr.Hans Reinhard from Germany visited ATNJ office in 2019. Our Boss Harry and engineer Luke was showing them our products and the internal structure of our products.

ATNJ's Top Sales - Emma was presenting our new products and Indoor Distributed Antenna System to our clients from Saudi Arabia.

Our Boss Li Hao (Harry) and Sales Emma received clients from Kuwait, and our clients bought some samples.

Engineer Luke is explaining relevant knowledge of signal repeater to clients.

ATNJ attended the MWC2018 held in BarcelonaSpain. Our sales team and R&D team promote our products to the world.