恒心光电50G PAM4 LR4和ER4模块设计用于5G中传与回传应用。它们采用QSFP28封装方式和LC连接器，并符合QSFP28 MSA标准。
| P/N | Description | Data Rate | Reach | Tx | RX | Output Power | Sensitivity |
|---|---|---|---|---|---|---|---|
| HXQ50LP | QSFP28 LR (PAM4) | 50G | 10km | 1310nm EML | PIN | -4.5~4.2dBm | <-8.4dBm |
| HXQ50EP | QSFP28 ER (PAM4) | 50G | 40km | 1310nm EML | APD | 0.4~6.6dBm | <-15.1dBm |
| HXQ50LRBD | QSFP28 LR BIDI (PAM4) | 50G | 10km | 1310nm EML | PIN | -4.5~4.2dBm | <-8.4dBm |
| HXQ50ERBD | QSFP28 ER BIDI (PAM4) | 50G | 40km | 1310nm EML | APD | 0.4~6.63dBm | <-15.1dBm |
| HXS5650SR | SFP56 SR | 50G | 100M | 850nm | PIN | ||
| HXS5650DR | SFP56 DR | 50G | 500M | 1310nm | PIN |