| Part Number | QSFP28-100G-CWDM4 |
| Vendor Name | HaloWill |
| Form Factor | QSFP28 |
| Wavelength | 1271nm, 1291nm, 1311nm and 1331nm |
| Connector | LC Duplex |
| Transmitter Type | 4 x CWDM DML (DFB) |
| Data Rate | up to 104Gbps (4x26Gbps) |
| Reach | 2km |
| Cable Type | SMF |
| DDM/DOM | Supported |
| TX Power | ≤2.5dBm |
| Power Consumption | ≤3.5W |
| Modulation Format | NRZ |
| Packaging | COB |
| Receiver Type | PIN |
| Operating Temperature | 0 to 70°C |
| Receiver Sensitivity | <-10dBm |
| Receiver Overload | 2.5dBm |
| Extinction Ratio | >3.5dB |
| CDR | TX & RX Built-in CDR |
| Host FEC | Supported |
| BER | 5E-5 |
| MTBF | 708,800,000 hours |
| Warranty | 3 years |
| Protocols | IEEE 802.3ba, IEEE 802.3bm, SFF-8665, SFF-8636, QSFP28 MSA |
| Application | Data Center, 100GBASE Ethernet |
| Downloads / 资料下载 | Datasheet |
| Highlihgts / 产品亮点 | 外形精致，三温眼图余量大于10% |
| Application / 应用场景 | 广泛应用于100G CWDM4以太网和InfiniBand 4x EDR链路。 |
| Quality Control / 品质控制 | Certificates/认证证书：ISO9001,REACH,CE,FCC,FDA,ROHS Quality control/质量测试：Mechanical test/机械测试，Aging test/老化测试，Temperature test/三温/温循测试，EMM test/眼图测试，BERT/误码测试，Response test/响应度测试，Receiver Sensitivity test/灵敏度测试 |
| Package / 包装 | Anti static plastic box防静电盒+Paper box纸盒包装 |
| Warehousing & Shipment / 仓储运输 | |
| FAQ / 常见问题 |