Timbercon Armadillo Optical Loopbacks are designed for durability and performance, offering definable attenuation from 0dB to 24dB. These loopbacks feature a full-seam ultrasonic weld for increased durability and an enclosed fiber shell for exposed fiber protection. Armadillo Loopbacks from Timbercon are typically used for test and measurement procedures in laboratory environments and are ideal for a multitude of applications requiring single looping in a duplex LC form factor.