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| Part number | Wavelenglh | Data Rate | Distance | Source | Optical Power (dBm) | Receiver | Sensitivity(dBm) | Temp (℃) | Voltage | Signal Level | Alarm Level | Connector type |  
| FP | DFB | PIN | PECL | TTL | PECL | TTL |  
| HC19-1**U5-803A | 1270nm~1450nm | 155M | 80km |  | ○ | 0~5 | ○ | ﹤-36 | 0~+70 | 5V | ○ |  | ○ |  | SC/PC |  
| HC19-1**U5-803 | 1470nm~1610nm | 155M | 80km |  | ○ | -5~0 | ○ | ﹤-36 | 0~+70 | 5V | ○ |  | ○ |  | SC/PC |  
| HC19-3**U5-403 | 1270nm~1450nm | 1.25G | 40km |  | ○ | -3~+2 | ○ | ﹤-23 | 0~+70 | 5V | ○ |  | ○ |  | SC/PC |  
| HC19-3**U5-803 | 1470nm~1610nm | 1.25G | 80km |  | ○ | -3~+2 | ○ | ﹤-23 | 0~+70 | 5V | ○ |  | ○ |  | SC/PC |  
| HD19-3**U5-A03 | 1470nm~1610nm | 1.25G | 100km |  | ○ | -3~+2 | APD | ﹤-30 | 0~+70 | 5V | ○ |  |  | ○ | SC/PC |  |