Dorelink
| Form Factor | SFP |
| Max Data Rate | 2.5Gbps |
| Wavelength | 1310nm |
| Max Cable Distance | 20km |
| Connector | Duplex LC |
| Media | SMF |
| Transmitter Type | DFB |
| Receiver Type | PIN |
| TX Power | -5 ~ 0dBm |
| Receiver Sensitivity | < -18dBm |
| Receiver Overload | -3dBm |
| EMC (Electro Magnetic Compatibility) | Supported |
| DDM/DOM | Supported |
| Protocols | MSA Compliant |
| Temperature Range | 0 to 70°C / -40 to 85°C |
| Warranty | 5 Years |
Drawing on over 10 years of experience in chips and modules, we 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.
| Part Number | Data Rate | Wavelength | Distance | Media | DDM |
|---|---|---|---|---|---|
| LS-MM852G-S3C | 2.5Gbps | 850nm | 300m | Multi-mode | Yes |
| LS-MM852G-S5C | 2.5Gbps | 850nm | 550m | Multi-mode | Yes |
| LS-SM312G-02C | 2.5Gbps | 1310nm | 2km | Single Mode | Yes |
| LS-SM312G-10C | 2.5Gbps | 1310nm | 10km | Single Mode | Yes |
| LS-SM312G-15C | 2.5Gbps | 1310nm | 15km | Single Mode | Yes |
| LS-SM312G-20C | 2.5Gbps | 1310nm | 20km | Single Mode | Yes |
| LS-SM552G-20C | 2.5Gbps | 1550nm | 20km | Single Mode | Yes |
| LS-SM312G-40C | 2.5Gbps | 1310nm | 40km | Single Mode | Yes |
| LS-SM552G-40C | 2.5Gbps | 1550nm | 40km | Single Mode | Yes |
| LS-SM552G-80C | 2.5Gbps | 1550nm | 80km | Single Mode | Yes |



We provide end-to-end DWDM devices including active modules and optical passive devices, such as optical amplifiers (EDFA & RFA), Mux & Demux, ROADM, and OTDR solutions.
Meeting the demand for mass data transmission in data centers, our high-speed optical modules range from 10G to 800G, providing high-quality interconnection for cloud computing.


High reliability products with mature lasers and chip solutions including Dark Fiber, WDM, and Radio over Fiber, meeting various needs in 4G/5G systems.
Total FTTx optical fiber access solutions covered from all-optical or optical copper combined access products for global communication network constructors.




As a specialized manufacturer of magnetic telecom and network components, we are certified by ISO9001:2000, ROSH, REACH, CE and UL. With advanced manufacturing and testing equipment, we have an abundant production capacity of 3000K per month, enabling short delivery times. We design, manufacture, and sell high-speed optical interconnect solutions globally using the latest optoelectronic technologies.

