数字直放站
与建设新基站相比，数字直放站是一种更经济实惠的改善信号覆盖和通信质量的解决方案。而且它易于安装和维护，可以帮助运营商快速取得覆盖成效。
数字直放站是介于基站和移动终端之间的放大器，它通过施主天线接收来自基站的最强信号，线性放大信号并通过室内信号分布系统传输给信号弱/盲区，同时，移动信号也可通过放大并经由相反的方向传输到基站。
| Items | Specifications | ||
|---|---|---|---|
| System | 5G/4G/3G/2G | ||
| Frequency Range | Uplink 可定制 | 880~915 MHz / 1710~1785 MHz / 1920~1980 MHz / 2500~2570 MHz / 3700~3800 MHz | |
| Downlink 可定制 | 925~960 MHz / 1805~1880 MHz / 2110~2170 MHz / 2620~2690 MHz / 3700~3800 MHz | ||
| Working Bandwidth (Digital Filter) | 2 Sub-bands, 0.2-25MHz Variable per Sub-Band | ||
| Frequency Range | Uplink | 30±2dBm | |
| Downlink | 30/.../43±2dBm可定制 | ||
| Maximum Gain | 80/.../95±3dB可定制 | ||
| Gain Adjustment Range | 0~31dB @ Step of 1dB | ||
| Gain Flatness | ≤ 5dB | ||
| ALC(Auto Level Control) | ≤2dB(When The Maximum Output Power of Repeater is Reached, Increase Input Power by 1~20dbm, Output Variation ≤2dB) | ||
| Maximum Input Power (Non-Destructive) | 0dBm | ||
| Spurious Emission | 9kHz~1GHz: ≤ -36dBm/30kHz | ||
| 1GHz~12.75GHz:≤-30dBm/30kHz | |||
| Standard | Complies with 3GPP and ETSI | ||
| Noise Figure | ≤ 6dB | ||
| VSWR | ≤ 1.5 | ||
| System Delay | ≤ 5μs | ||
| I/O Impedance | 50 Ω | ||
| RF Connector | N-Type (Female) | ||
| Operating Temperature | -25 ~ +55 °C | ||
| Relative Humidity Range | ≤ 95% (Non Condensing) | ||
| In-Band Ripple | ≤ ±2dB | ||
| Power Supply | DC-48V or AC110V/220V, 50/60Hz | ||
| Power Consumption | ≤200W | ||
| Application | Indoor or Outdoor(IP65) | ||
| Dimensions | 428mm×328mm×175mm | ||
| Weight | ≤15 kg | ||
| Local Control | Web Browser GUI Local Via RJ-45 Interface or WiFi Hotspot | ||
| NMS Mode(Optional) | Wireless Modem (3G/4G), IP Connectivity | ||
| NMS Function(Optional) | Real-time Alarm for Door Status, Temperature, Power Supply, VSWR, etc; Remote Control Such as Turn On/Off, Increasing/Decreasing Output Power etc; Real-time Status for Output/Input Power, UL/DL Gain, All Status of Repeater etc. | ||
安信通讯是无线通讯领域专业的制造商和方案供应商，产品包括多系统分布式天线系统、移动通信直放站、集群通信直放站、室分无源器件以及网管软件系统等，销往全球100多个城市和30多个国家。我们致力于为电信运营商和企业提供最优质的移动通信和集群通信信号优化基础设施和整体解决方案。
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