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Lisheng is a professional Dmr Digital Mobile Radio manufacturers and suppliers in China.​Dmr Digital Mobile Radio transceiver is a mobile communication tool based on digital signal transmission technology. Compared with traditional analog amateur transceivers, it has higher voice and data transmission efficiency, more reliable communication quality, better reception coverage and higher anti-interference ability.

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The R1000 1U repeater is a high-performance, multi-mode, and intelligent communication device designed for demanding wireless communication scenarios. Featuring advanced RF technology, modular architecture, and flexible networking capabilities, the R1000 1U is ideal for public safety, transportation, energy, industrial, and other critical applications, delivering stable, clear, and wide-coverage communication.

The 2L is a rugged, high-performance digital radio designed for professional use in industries such as hospitality, security, and logistics. Offering essential features like advanced encryption, noise cancellation, and IP68-rated durability, it ensures clear, secure, and reliable communication, even in the most demanding environments like noisy job sites, remote locations, or emergency situations.

The R850 is a high-performance emergency communication device designed for rapid deployment and decentralized networking. It is suitable for complex scenarios such as field rescue and disaster relief. The device features a 2.2-inch full-color display and an intuitive button design for easy operation. It supports DMR, PDT digital formats, and analog communication. With a lightweight body, IP67 protection rating, and options for carrying or fixed installation, the R850 offers up to 20 hours of battery life, making it an efficient communication solution for outdoor operations and emergency rescue missions.

Android radio is an event-driven, cross-process communication mechanism in the Android system, primarily used for messaging between applications and between the system and applications. Its core consists of broadcasts, broadcast receivers, and intents, operating in a publish-subscribe model.