Dorelink
| Part No. | LS-BL31552G-20C |
| Form Factor | SFP |
| Max Data Rate | 2.5Gbps |
| Wavelength | 1310nm-TX/1550nm-RX |
| Max Cable Distance | 20km |
| Connector | Simplex LC |
| Media | SMF |
| Transmitter Type | FP |
| Receiver Type | PIN |
| EMC Supported | Yes |
| DDM/DOM | Supported |
| Protocols | Fast Ethernet, Gigabit Fibre Channel, MSA Compliant |
| Temperature Range | 0 to 70°C / -40 to 85°C |
| Warranty | 5 Years |
| Sample | Available |
We draw on over 10 years of experience in chips and modules to integrate fast speeds, small size, power savings, and high performance in every module. We provide a full series of optical modules for fixed access, wireless access, carrier Ethernet, wavelength division multiplexing (WDM), and data communication networks.


Optical Transport Networks
We provide end-to-end DWDM devices including active modules and optical passive devices like amplifiers (EDFA & RFA), Mux & Demux, OLP and OTDR.
Cloud and Enterprise
High-speed optical modules ranging from 10G to 800G, providing high-quality interconnection solutions for data centers.
Wireless
Reliable performance with mainstream chip solutions for 4G/5G systems, covering Dark Fiber, WDM, and Back-haul scenarios.
FTTx
Total optical fiber access solutions covered from all-optical or optical copper combined access products.




We are a specialized manufacturer of magnetic telecom and network components, certified by ISO9001:2000, ROSH, REACH, CE and UL. With advanced manufacturing and testing equipment, we maintain a production capacity of 3000K per month, ensuring short lead times and reliable global delivery.

