brand: Juniper PN: JNP-QSFP-40GE-ER4 740-066424 Data rate: 40G Maximum Distance: 40km Transceiver Type: QSFP+ description:QSFP+ 40GB ER4 1310nm 40km SMF Double LC DDM/DOM TX Wavelength: 1310 nm. RX Wavelength: 1310 nm. Connectors: Double LC Product Type: Pluggable fiber optic transceiver . Minimum Optical Budget: 16.3 dB Supported Data Rate: 39.81 – 44.8 Gbps Supported Applications: 40G Ethernet (41.25Gbps), STM-256 (39.81 Gbps), OTU3 (43.01Gbps), OTU3e2 (44.58Gbps) DDM/DOM: Supported Tx Wavelength Bandwidth: 4 WDM Seperated 1310nm Lanes (13nm (1271, 1291, 1311, 1331)) Rx Wavelength Bandwidth: 4 WDM Seperated 1310nm Lanes (13nm (1271, 1291, 1311, 1331)) Minimum Transmitting Power: Each Lane -2.7 dB Maximum Transmitting Power: Each Lane 4.5 dB Receiver Sensitivity: Each Lane -19 dB Receiver Overload: Each Lane -7 dB Transmitter Type: DFB Laser Receiver Type: APD Photodiode Power: +3.3V single power supply Chipset: MAXIM, MINDSPEED, SEMTECH, UX Temperature Range: Standard 0°-70°C Country of origin: China In addition to Juniper JNP-QSFP-40GE-ER4 740-066424 , Liyuan Tech supply a wide range of other Juniper Series transceivers. If you have any need or interest, please feel free to send inquiry to global@chn-liyuan.com