Dorelink
SMF 1310nm Single Mode 25G SFP28 20km DDM Duplex LC Optical Transceiver Module
| Item | 25G SFP28 Transceiver |
| Part No. | LS-SM3125-20C |
| Part Status | Active |
| Form Factor | SFP28 |
| Max Data Rate | 25Gbps |
| Wavelength | 1310nm |
| Max Cable Distance | 20km |
| Media | SMF |
| Connector | Duplex LC |
| Optical Component | DFB/PIN |
| TX Power | -7~2dBm |
| Receiver Sensitivity | <-11.3dBm |
| Receiver Overload | 2dBm |
| Power Consumption | ≤1.2W |
| Extinction Ratio | 3.5dB |
| DDM/DOM | Supported |
| Temperature Range | 0℃ to 70°C / -40℃ to 85℃ |
| Protocols | SFF-8402, SFF-8472, MSA SFP+ |
| 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. Our company provides a full series of optical modules for fixed access, wireless access, carrier Ethernet, wavelength division multiplexing (WDM), and data communication networks.



We provide end-to-end DWDM device 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 module which the product rate ranging from 10G to 800G, providing high-quality optical interconnection solutions.


High reliability and performance products with mature and efficient lasers and mainstream chip solutions. Includes Dark Fiber, WDM, Radio over Fiber, High Speed, Mid-haul and Back-haul for 4G/5G systems.







Our company is a specialized manufacturer of magnetic telecom and networking components, certificated by ISO9001:2000, ROSH, REACH, CE and UL. We own advanced manufacturing facilities and test equipment imported from abroad. Established in 1997, we have around 2000 staff at present. With a productive capacity of 3000K per month, we are able to deliver products within a short time.
We provide a full series of optical modules for fixed access, wireless access, carrier Ethernet, and data communication networks. With the latest optoelectronics technologies, we develop, manufacture, and sell products around the world.

