多频有源DAS解决方案

多频段有源DAS旨在解决远离基站收发器（BTS）且地下具有光缆网络的地方移动信号弱的问题。它通常与光纤中继器一起使用。 Action's MDAS

DAS是分布式天线系统，该系统由两部分组成：主单元和远程单元。下面是应用图：

Items	Master Unit	Remote Unit
Items	3G&LTE Penta-band
Frequency Range	Uplink	703~748MHz / 885~915MHz / 1710~1770MHz / 1920~1975MHz / 2500~2570MHz
Frequency Range	Downlink	758~803MHz / 930~960MHz / 1805~1865MHz / 2110~2165MHz / 2620~2690MHz
Transmission Distance	≤20km
Maximum Input Power (Non-Destructive)	10dBm
Maximum Output Power	43±2dB for each band
System Gain(MU+RU)	45±3dB
Gain Adjustment Range	0~31dB@Step of 1dB
VSWR	≤1.5
Noise Figure@1RU Connection	≤5dB
In-brand Ripple	±3dB
Third-order Inter-modulation	3GPP TS 25.143(R10),3GPP TS 36 143(R10)
Spurious Emission	3GPP TS 25.143(R10),3GPP TS 36 143(R10)
System Delay	≤5us
I/O Impedance	50Ω
RF Connector	5xN-Female	1xDIN-Female
Optical Connector	4xFC/APC	1xLC/UPC
Fiber Type/Number	Single mode
Optical Output Power	0±3dBm@1310nm/≥±3dBm@1550nm
Optical Receiver Sensitivity	≥-15dBm
Temperature Range	Operation:-25℃~+55℃ / Storage:-30℃~+60℃
Relative Humidity Range	≤95%(non condensing)
Power Supply(Customized)	AC220V, 50/60Hz
Dimensions	482.6x222.25x290 mm	980x420x230 mm
Weight	≤20kg	≤50kg
Aplication	Indoor(IP30)	Indoor or Outdoor(IP65)
Local Control	1.USB+PC; 2.WiFi hotspot
Remote Control	Wireless Modem
NMS Monitoring	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 Active DAS etc.