The 3U series repeater is a communication device designed and produced for professional users. It provides a variety of communication formats, IP interconnection function and digital trunking function.

The 3U series adopts an excellent radio frequency transmitter unit and a high-efficiency power amplifier module. Through a large-area aluminum alloy heat dissipation design, it can continuously emit at a high power of 50W. At the same time, this series successfully passed the LISHENG accelerated life test, providing all-weather and reliable communication with excellent quality.

SFR (single frequency repeater)
Single Frequency Repeater (SFR) is a technology that uses TDMA technology to rebroadcast two way radio transmissions on the exact same physical frequency.
It can simultaneously receives and transmits at the same time, on the same frequency.
It does this by utilising DMR’s two time slots concurrently. The SFR receives on one time slot, whilst transmitting on the other.

The 3U series adopts advanced signal processing technology. In dPMR/NXDN format, it uses 6.25kHz channel bandwidth to communicate in FDMA mode, and uses 12.5kHz channel bandwidth in DMR format to communicate in TDMA mode, which greatly improves spectrum utilization. (Change different communication standards through software)

3U adopts a modular design concept. The control unit, transmitter unit, and receiver unit are independent, which greatly improves the reliability of the whole machine. It has a built-in professional power supply and has a space for duplexer installation.

The 3U series can be built-in intelligent IP controller. The controller adopts a highly reliable vehicle-grade 4-core processor, which has efficient computing efficiency and faster processing speed, making the traditional wireless communication system and IP network different from each other. Realize a perfect seamless connection between the two, expand the communication range and use functions of the wireless communication system.

The 3U series supports a new generation of TSITS intelligent wireless communication system, which can build conventional IP interconnection systems and digital IP cluster systems. In addition to realizing wireless communication functions, it can also realize functions such as positioning and scheduling. The system supports multiple data links such as wired networks, wireless bridges, 4G wireless and satellites, reducing the difficulty of design and construction, and flexibly matching the actual conditions of professional users.

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