Company overview
Beijing Litong Communication Co., Ltd is a Beijing-based developer of radio-frequency semiconductors and communication modules. Its hardware range includes high-bandwidth reconfigurable RF transceiver chips, high-speed analog-to-digital and digital-to-analog converters, high-speed clock chips and phase-locked loop chips. The company's independently developed reconfigurable RF transceivers have reached commercial deployment. Its RF solutions address satellite communications, mobile networks and low-altitude applications, while its infrastructure portfolio also includes solutions for high-power base stations and repeaters.
The company's data links are designed for unmanned aerial, surface and ground vehicles, together with communication networks for robot groups. They support full-duplex transmission of real-time video, audio and remote-control data, with specified air-to-ground distances of 10, 20, 50, 100 and 200 km. Lightweight equipment combines self-organizing network software, proprietary software-defined radio transceiver chips and interfaces supporting multiple communication protocols. The RF front end uses digital predistortion and a two-transmit, two-receive configuration across a broad frequency range. High-speed converter sampling, frequency hopping and automatic frequency selection support operation in changing electromagnetic environments.
For civilian low-altitude airspace monitoring, Beijing Litong Communication develops passive radar solutions, including a core motherboard. Its drone-monitoring radar uses DTMB broadcast signals for detection without transmitting its own electromagnetic radiation. It supports continuous, all-weather warning of unauthorized drone intrusion within a specified coverage radius of 5–15 km. Detection distance depends on the transmission power of the external signal source. This radar hardware complements the company's communication components and data links for unmanned platforms.
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