TE85EJ是中欧体育面向商业用户打造的数字中继台。支持数字与模拟双制式,可实现数模系统平滑过渡。支持IP互联模式,可实现大区域、广范围的通信覆盖,通过增加软硬件方式,支持升级为RPT商业专业集群或PDT公共安全集群,是您构筑专业数字无线通讯系统的完美之选.
The TE85EJ is a digital repeater built by Lielong for business users. It supports digital and analog dual systems, which can realize the smooth transition of digital and analog systems. Support IP interconnection mode, can achieve large-area, wide-range communication coverage, by increasing software and hardware mode, support upgrade to RPT commercial professional cluster or PDT public safety cluster, is your perfect choice to build a professional digital wireless communication system.
TDMA是一种基于时间分割的多址技术,通过将时间划分为不同的时隙,实现了多用户在同一频率上进行通信。TDMA的原理包括帧结构、时隙分配、数据传输和同步控制。TDMA广泛应用于手机通信、数字广播和卫星通信等领域,提供了高效的通信解决方案。通过合理的时隙设计和同步控制，TDMA可以实现高效的频谱利用和资源分配。
TDMA is a multiple access technology based on time segmentation, which realizes multi-user communication on the same frequency by dividing time into different time slots. The principles of TDMA include frame structure, time slot allocation, data transmission, and synchronization control. TDMA is widely used in mobile communications, digital broadcasting, satellite communications and other fields, providing efficient communication solutions. With proper slot design and synchronous control, TDMA can achieve efficient spectrum utilization and resource allocation.
DMR(Digital Mobile Radio)数字集群通信标准是由ETSI(欧洲通信标准协会)制定的,旨在满足欧洲各国的中低端专业及商业用户对移动通信的需求。DMR标准采用TDMA(双时隙)多址方式12.5KHz信道间隔、4FSK调制方式、数据传输速率为9.6Kb/s。
The DMR (Digital Mobile Radio) digital trunking communication standard was developed by ETSI (European Communications Standards Association) to meet the needs of low-end professional and business users in European countries. The DMR standard adopts TDMA (dual time slot) multiple access mode, 12.5KHz channel spacing, 4FSK modulation mode, and a data transmission rate of 9.6Kb/s.
支持数字、模拟及数/模混合模式;在混合模式下,具备数/模自适应功能，可自动识别数/模信号。
Supports digital, analog, and digital/analog mixed modes; In hybrid mode, it has a digital/analog adaptive function, which can automatically identify digital/analog signals.
支持中继台IP互联,支持模拟中继台与数字中继台混合组网,实现多个区域的数据和语音通信。
It supports IP interconnection of repeaters, hybrid networking of analog repeaters and digital repeaters, and realizes data and voice communication in multiple regions.
提供AIS和SIP二次开发接口,允许第三方合作伙伴开发自己的调度系统。
Provide AIS and SIP secondary development interfaces, allowingthird-party partners to develop their own scheduling systems.
TE85EJ支持远程(由IP 端口连接到因特网)和本地诊断(由USB)PC 应用软件来监控、诊断和控制中转台状态，从而提高工作效率。
The TE85EJ supports remote (IP port connected to the Internet) and local diagnostics (via USB) PC applications to monitor, diagnose, and control the status of the turret to improve productivity.
| 型号/Model | TE85EJ |
|---|---|
| 频率范围/Frequency range | UHF1:400-470MHz;UHF2:450-520MHz;UHF3:350-400MHzVHF:136-174MHz; |
| 信道容量/Channel capacity | 256 |
| 信道间隔/Channel spacing | 12.5KHz/20.0KHz/25.0KHz |
| 输入电压(交流)/Input voltage (AC) | 220V |
| 输入电压(直流)/Input Voltage (DC) | 30.0V士15% |
| 工作循环/Duty cycles | 100% |
| 电流消耗/Current consumption | 待机电流 <0.8A 发射电流 <11A |
| 声码器类型/Vocoder type | AMBE+2™ |
| 频率稳定度/Frequency stability | 士0.5ppm |
| 天线阻抗/Antenna impedance | 50Ω |
| LCD显示屏/LCD display | 220*176像素,262000色2.0英寸，4行 |
| 尺寸(长x宽x高)/Dimensions (LxWxH) | 418x366x88mm |
| 重量/weight | 15KG |
| RF连接/RF connection | Tx (N)、 Rx (N) |
| 工作循环/Duty cycles | 100% |
| 灵敏度（模拟）/Sensitivity (analog) | 0.3μV(12dB SINAD);0.22μV(典型值)(12dB SINAD); 0.4μV(20dB SINAD) |
| 灵敏度（数字）/Sensitivity (numeric) | 0.3uV/BER5% |
| 领道选择性/Selectivity | 65dB@12.5KHz/70dB@20/25KHz |
| 互调/Intermodulation | 75dB@12.5/20/25KHz70dB@12.5/20/25KHz |
| 杂散响应抑制/Spurious response suppression | 80dB@12.5/20/25KHz |
| 交流声与噪声/ AC sound and noise | 40dB@12.5KHz;43dB@20KHz;45dB@25KH |
| 阻塞/clog | 90dB |
| 额定音频输出功率/Rated audio output power | 0.5W |
| 音频失真/Audio distortion | ≦3% |
| 音频响应/Audio response | +1~-3dB |
| 传导发射杂散/Conducted emission spurious | <-57dBm< /td> |
| FM调制/FM modulation | 11K0F3E@12.5KHz;14K0F3E @20KHz;16K0F3E@25KHz11KOF3E@12.5kHz |
| 输出功率/Output power | 5-50W |
| 传导.辐射发射/Conduction. Radiation emissions | -36dBm<1GHz:-30dBm>1GHz |
| 调制限制/Modulation limitations | 士2.5KHz@12.5KHz;+4.0KHz@20KHz;士5.0KHz@25KHz |
| 邻道功率/Adjacent channel power | 60dB@12.5KHz;70dB@20/25KHz |
| FM交流声与噪声/FM AC sound and noise | 40dB@12.5KHz;43dB@20KHz;45dB@25KH |
| 工作温度/Operating temperature | -30°C~+60°C |
| 存储温度/Storage temperature | -40°C~+85°C |
| 防水防尘/Waterproof and dustproof | IP68(IEC-LE7600X)、IP67(IEC-LE7500A) |
