200G QSFP-DD ER4 is a pluggable optical transceiver module designed for data center 200G ER4 Ethernet links up to 40km over SMF. it works in high-speed IDC connection solutions, 5G network back-haul solutions, and so on.
Feature:
Specificiation
| P/N | QSFP-DD-200G-ER4 | Vendor Name | Comelink |
| Form Factor | QSFP-DD | Max Data Rate | 212.5Gbps |
| Wavelength | 1295.56nm, 1300.05nm, 1304.58nm, 1309.14nm | Max Distance | 40km |
| Modulation Format | PAM4 | Host Required | FEC |
| Connector | Duplex LC | Voltage Supply | 3.3V |
| Cable Type | SMF | DDM Support | Yes |
| Transmitter Type | EML LWDM4 | Receiver Type | APD |
| TX Power | -0.1~+5.6dBm | Receiver Sensitivity | < -14.1dBm |
| Operation Temperature | 0 to 70°C (32 to 158°F) | Maximum Power | < 12W |
| Protocols | QSFP-DD MSA, IEEE 802.3bs | Application | 5G Network, 200G Ethernet, Enterprise Networking |
Feature:

Unleash HPC Power with InfiniBand Architecture
We provides the Infiniband network solution, offering significant advantages in terms of high-speed, low latency, scalability, and efficiency.

Flat Top OSFP Connector Shell
The OSFP shell has a flat top and is used in adapters, such as ConnectX-7 InfiniBand Adapter Cards.