902-928MHz 9dBi 915MHz left-handed circularly polarized directional flat antenna

Beijing Antsym Communication Technology Co., Ltd. (

Antsym for short), a passive communication technology R&D enterprise, was founded in 2018.

Located in Shunyi District of Beijing, with a registered capital of 10 million yuan, Antsym integrates research, development, production and sales.

The company mainly focuses on R&D, design and production of antennas,

providing passive communication products and solution such as antenna, radio frequency, Internet of Things, wireless image transmission, etc.

Antsym has rich products and reliable performance, serving all provinces, municipalities and autonomous regions in China

(including Taiwan) and some foreign countries, the company mainly uses differentiated customized products which meet the needs of various industries for communication antenna products.

Since its establishment, Antsym has successively cooperated with Beijing University of Posts and Telecommunications, Beijing Institute of Technology and other scientific research institutes, Hunan Developer of communication and system integration companies such as Cornerstone, Beijiao Communication, Junmao Guoxing, etc.

The company's main production and testing equipment and facilities include large microwave anechoic chambers, original American HP/Agilent vector network analyzers, and Agilent Spectrum analyzer, Japan RoHS detector and other instruments. Antsym has experienced R&D team, marketing team and production staff, providing main products including fiberglass antenna, rubber rod antenna, soft whip antenna, vehicle antenna, gooseneck antenna, Yagi antenna, panel antenna, sector antenna, horn antennas, as well as power dividers, couplers, arresters, filters, etc. These products cover application of GPS and Beidou, Internet of Things, emergency

communication, government private network, UAV system, WiFi coverage, WLAN coverage, UWB positioning, MESH ad hoc network, vehicle mobility, individual law enforcement, ship AIS system, scientific experiment etc. Antsym products and solutions are widely used in the market and have broad prospects for development