Mode Type : Single Mode (PC or APC),Multi Mode Boot Type : 0.9mm, 2.0mm, 3.0mm Features ?In Compliance with Bellcore 326 and TIA/EIA 604 Standard ?Low Insertion Loss ?High Return Loss ?Easy Installation ?Compatible with NTT Standard ?RoHS Approve Application ?CATV System ?Telecommunications ?Optical Networks ?Testing instruments Specifications Typical Insertion Loss 0.3dB Maximum for SM 0.4dB Maximum for MM Typical ReturnLoss 45dB Minimum for SM Operating TempRange - 40°C to +75°C StorageTempRange - 40°C to+ 85°C Repeat ability 40.2dB (500 Cycle Passed) Humidity 95%RH (Non-Packaging)