Sate Optics provides compatible 100G QSFP28 Loopback Modules for network testing, equipment diagnostics and optical interface verification in high-speed data center and communication environments.
Our 100G QSFP28 Loopback solutions are designed to simulate optical transceiver connections, enabling network engineers to perform port testing, system validation, troubleshooting and performance verification on 100G Ethernet equipment.
Compatible 100G QSFP28 Loopback Modules support a wide range of testing applications including switch testing, network maintenance and optical link verification in data centers, enterprise networks and telecom environments.
Sate Optics delivers reliable 100G testing solutions to help customers maintain, validate and optimize high-performance optical network infrastructure.
100G QSFP28 Loopback
| Part Number | Model No. | Picture | Data Rate(Mbps) | Wavelength | Media Type | Reach | TX Power(dBm) | RX Sens.(dBm) | Temp.(℃) | Note | Datasheet |
|---|---|---|---|---|---|---|---|---|---|---|---|
| ST-100G-QSFP28-LB0-0 | 100G-QSFP28-LB0-0 | ![]() |
100G | / | Copper | / | 0dBm | 0W | -20°C~85°C | 100G Passive Loopback | |
| ST-100G-QSFP28-LB0-2.5 | 100G-QSFP28-LB0-2.5 | ![]() |
100G | / | Copper | / | 0dBm | 2.5W | -20°C~85°C | 100G Passive Loopback | |
| ST-100G-QSFP28-LB0-3.5 | 100G-QSFP28-LB0-3.5 | ![]() |
100G | / | Copper | / | 0dBm | 3.5W | -20°C~85°C | 100G Passive Loopback | |
| ST-100G-QSFP28-LB0-2 | 100G-QSFP28-LB0-2 | ![]() |
100G | / | Copper | / | 0dBm | 2W | -20°C~85°C | 100G Passive Loopback | |
| ST-100G-QSFP28-LB3-0 | 100G-QSFP28-LB3-0 | ![]() |
100G | / | Copper | / | 3dBm | 0W | -20°C~85°C | 100G Passive Loopback | |
| ST-100G-QSFP28-LB5-0 | 100G-QSFP28-LB5-0 | ![]() |
100G | / | Copper | / | 5dBm | 0W | -20°C~85°C | 100G Passive Loopback | |
| ST-100G-QSFP28-LB5-1 | 100G-QSFP28-LB5-1 | ![]() |
100G | / | Copper | / | 5dBm | 1W | -20°C~85°C | 100G Passive Loopback |



