100G QSFP28 ER4 is a well-defined technical standard specifying the optical module requirements for achieving a 100 Gbps data rate over SMF with a transmission distance of up to 40 kilometers.
CWDM stands for Coarse Wavelength Division Multiplexing. It is an optical technology that multiplexes multiple optical signals of different wavelengths onto a single fiber for transmission.
Tunable technology, which enables a single laser to adapt to different DWDM wavelengths, is transforming the construction and operational models of fronthaul networks worldwide.
OpenAI's swift release of GPT-5.2 is a clear and direct response to the intense market competition. In November, Google launched its AI model Gemini 3, which achieved remarkable market traction.