4-Channel LWDM Module (Long Wavelength Division Multiplexing) is a device used in optical communication systems for transmitting and multiplexing 4 long-wavelength optical signals simultaneously. 

• Optical fiber communication system
• Data centers and cloud computing
• Light sensing system
• Optical measurement and testing
• Optical fiber network expansion and upgrade

1. Multi-channel multiplexing
2. High density
3. High reliability
4. Wavelength selectivity
5. Compatibility
6. Flexibility

FAQ

1: What tests are conducted before product shipment?

A: Before shipment, tests are conducted to confirm insertion loss, isolation, return loss, center wavelength, channel consistency, end-face quality, appearance, and packaging reliability. The page emphasizes that this module uses advanced optical components and technology, possessing high reliability and stability, ensuring stable signal transmission and multiplexing performance.

2: What are the warranty policy and after-sales support details?

A: This product is ISO9001 and RoHS certified. If non-human-caused quality issues occur within the warranty period, we can provide parameter retesting, root cause analysis, repair, or replacement support. It is recommended to confirm complete specifications before placing an order, including wavelength range, channel spacing, connectors, packaging, optical power, and application environment; specific warranty periods, RMA procedures, and scope of responsibility are subject to the formal quotation or purchase contract.