The following are some well-known domestic and foreign wavelength division transmission equipment brands: Domestic brands Huawei: A world-leading communication equipment supplier, with advanced wavelength division transmission equipment technology and a rich product series. For example, the Optix OSN 1800 series integrates WDM and OTN features, which can achieve 2M to 100G full-service access, helping operators… Continue reading Well-known domestic and foreign DWDM transmission equipment