Hubbell Premise OptiChannel™ Fiber optic adapter in black oxide finish includes phosphor bronze split alignment sleeves with nuts and washers. It can accommodate 125 um multimode/single mode fiber. It features a snap-in double-D threaded bulkhead mounting for convenience. Adapter is the interface to the fiber link and is utilized in workstation outlets/optical patch panels. It has the insertion loss less than 0.5 dB and return loss of 26 dB. It has the temperature rating of -40 to 75 deg C. It has 0.380-Inch diameter and ferrule size of 2.500 mm. It is SM/MM compatible. It has the service life of 500 mating. It is ideal for telecommunications systems, CATV/video, industrial process control systems, local area networks, high density interconnections, data transmission and remote communication applications. Adapter is RoHS compliant.