Dorelink
| Form Factor | SFP |
| Max Data Rate | 3.125Gbps |
| Wavelength | 1310nm |
| Max Cable Distance | 2km |
| Connector | Duplex LC |
| Media | SMF |
| Transmitter Type | FP |
| Receiver Type | PIN |
| TX Power | -8 ~ 0dBm |
| Receiver Sensitivity | < -18dBm |
| EMC Supported | Yes |
| DDM/DOM | Supported |
| Temperature Range | 0 to 70°C / -40 to 85°C |
| Warranty | 5 Years |
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.
| 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 device solutions with almost all optical devices - from active modules to optical passive devices, including optical amplifier (EDFA & RFA), Mux & Demux, OPM, ROADM, MCS, OLP and OTDR etc.
To meet the demand of mass data transmission in data centers, we have developed a series of high-speed optical modules with rates ranging from 10G to 800G, providing high-quality optical interconnection solutions.
Providing high reliability and performance products with mature lasers and mainstream chip solutions. Solutions include Dark Fiber, WDM, Radio over Fiber, and Back-haul for 4G/5G systems.
Targeting global communication network constructors, we provide FTTx optical fiber access total solutions covering all-optical or optical copper combined access products.



Our company is a specialized manufacturer of magnetic telecom and network components, certified by ISO9001:2000, ROSH, REACH, CE and UL. Equipped with advanced manufacturing and testing equipment imported from abroad, we maintain a production capacity of 3000K per month. We provide a complete series of optical modules for fixed access, wireless access, carrier Ethernet, and wavelength division multiplexing (WDM) networks. Using the latest optoelectronic technologies, we design, manufacture, and sell high-speed interconnect solutions worldwide.

