SFP (Small Form Factor Pluggable) is a compact, hot-swappable transceiver module that converts electrical signals into optical signals (and vice versa), enabling long-distance communication between devices. One of the main advantages of SFP modules is their hot-swappable nature, which allows them to be inserted or removed without powering down network devices.
Dual-fiber SFP optical modules are a common type of 1G SFP optical module. They employ a bidirectional transmission mechanism, with two independent channels or ports for data transmission and reception. One is the transmit port, and the other is the receive port. Both transmission and reception require a single optical fiber connection. Common wavelengths for 1G dual-fiber optical modules include 850nm, 1310nm, and 1550nm.
The biggest difference between 100Mbps, Gigabit, and 10GbE optical modules is their transmission rate. 100Mbps and Gigabit optical modules are packaged in SFP form factor, while 10GbE optical modules are packaged in SFP+ and XFP form factors. 100Mbps modules have a transmission speed of 155Mb/s; Gigabit modules have a transmission speed of 1.25Gb/s; and 10GbE optical modules have a transmission rate of 10Gbps.
With the gradual implementation of 5G network construction, the development of 6G is also on the agenda. In this context, the fronthaul network, as a crucial bridge connecting the central unit/DU and the remote radio unit (AAU/RRU), is a key focus for both 5G network implementation and 6G network development. However, according to 3GPP standards, 5G fronthaul needs to support the eCPRI protocol, imposing stringent requirements on bandwidth, latency, and synchronization accuracy. The outdated 4G network cannot handle the high traffic volume brought by 5G, and the cabling planning of the 4G network cannot meet the needs of the 5G fronthaul network.
As we enter 2026, AI has thoroughly permeated our lives. The AI market is currently highly competitive, and with the continuous expansion of AI training scale, high-performance data centers are being forced to develop rapidly. Computational scale is constantly expanding, and under this trend, higher density and lower power consumption per unit space have become the main demands of market development. As a professional optical module manufacturer and solution provider, YXFiber's 400G high-density, low-power optical module solution is becoming the answer for high-performance data centers in the AI era.
