25G DWDM SFP28光模块 100GHz 1563.86nm C17-C61 10-80km AO-25GB-SFP28-DM 25G DWDM SFP28光模块 100GHz 1563.86nm C17-C61 10-80km AO-25GB-SFP28-DM 采用优质器件，传输稳定，低功耗
