With the issuance of 5G licenses in China, 5G optical networks are in full swin

The transmission principle of active WDM solution is similar to that of semi-ac

The passive wave division scheme is More a relatively common solution for 4G/5G

Optical fiber direct drive solution is a solution of 4G base station construc

In the construction of 5G base stations, in addition to the passive WDM scheme

随着传输、光纤线路放大和ROADM交换技术的进步，使得更多的波长可以通过光纤系统进行传输。增加的传输波长使得每对光纤的总传输量更大，从而提高了网络的经济效益。

With the ever-increasing need for higher bandwidth, DWDM technology has been on