FIBERSTAMP Launches Narrow-Grid LAN-WDM 400G QSFP-DD ER4-30km Optical Module for Metro Ethernet Applications
Singapore, October 24, 2025 – FIBERSTAMP has announced the launch of its 400G QSFP-DD ER4-30km optical module, built on narrow-grid LAN-WDM wavelengths. Designed for medium to long-reach Metro Ethernet networks, the module delivers exceptional bandwidth, low power consumption, and stable performance over distances up to 30 km—addressing the growing demand for high-speed interconnects in next-generation […]









