飞宇集团400G QSFP-DD高速线缆传输速率达400Gbps，产品广泛应用于数据中心，网络设备等，完美兼容全系列品牌服务器、交换机、路由器等。QSFP-DD高速线缆可满足硬件通信设备和数据中心在低成本、低功耗要求下达到高密度端口的配置。
| 产品特点 | 应用领域 |
| 符合IEEE802.3bj标准和IEEE802.3cd标准 | 交换机、服务器和路由器 |
| 传输数率可达400Gbps（PAM4） | 数据中心网络 |
| 结构优化、低插入损耗、低串扰 | 存储区域网络 |
| 高可靠性、低成本 | 电信和无线基础设施 |
| 性能稳定、全面兼容 | 医疗诊断及网络 |
| 测试和测量设备 |
| Parameter | Symbol | Min | Typical | Max. | Unit | Note |
| Differential Impedance | TDR | 90 | 100 | 110 | Ω | |
| Insertion Loss | SDD21 | -16.06 | dB | At 13.28GHz | ||
| Differential Return Loss | SDD11 SDD22 | See 1 | dB | At 0.05 to 4.1 GHz | ||
| See 2 | At 4.1 to 19 GHz | |||||
| Common-mode to common-mode output return loss | SCC11 SCC22 | -2 | dB | At 0.2 to 19 GHz | ||
| Differential to common-mode return loss | SCD11 | See 3 | dB | At 0.01 to 12.89 GHz | ||
| SCD22 | See 4 | At 12.89 to 19 GHz | ||||
| Differential to common Mode Conversion Loss | SCD21-IL | -10 | dB | At 0.01 to 12.89 GHz | ||
| See 5 | At 12.89 to 15.7 GH | |||||
| -6.3 | At 15.7 to 19 GHz |
Notes:
1. Reflection Coefficient given by equation SDD11(dB) < -16.5 + 2 × SQRT(f ), with f in GHz
2. Reflection Coefficient given by equation SDD11(dB) < -10.66 + 14 × log10(f/5.5), with f in GHz
3. Reflection Coefficient given by equation SCD11(dB) < -22 + (20/25.78)*f, with f in GHz
4. Reflection Coefficient given by equation SCD11(dB) < -15 + (6/25.78)*f, with f in GHz
5. Reflection Coefficient given by equation SCD21(dB) < -27 + (29/22)*f, with f in GHz
