● Transmission transceiver modules include 100G and 400G optical modules with rates of 10km/40km/80km.● Passive optical device products include AWG (arrayed waveguide grating), VMUX (optical power tunable wavelength division multiplexer), WDM (wavelength division multiplexer), VOA (tunable optical attenuator), OPM (optical performance monitoring) functional modules) and other optical devices required for the optical transport network.● Fixed network access is mainly used in fiber-to-the-home (FTTH) access network. The products include BOSA of GPON OLT/ONU, BOSA of 10Gbps PON (10G EPON/10G GPON/10G Combo PON), and optical transceiver modules.● The wireless access category includes various 10G, 25G, 50G gray light and color light transceiver modules of CPRI/eCPRI for 4G LTE and 5G networks.In 2021, Everbright will keep an eye on market growth points, and have made good progress in 5G fronthaul, 10G PON, 100G/200G/400G data communication modules, ultra-wideband optical amplifiers, new smart devices, coherent devices and modules, etc. Industry trends.Based on the market conditions of last year, Accelink has made future plans for the following business lines: