The P2-SMF28-PCSMA-1 from Thorlabs Inc is a Fiber Optic Cable with Coating Diameter 245 ± 5 µm, Cable Length 1 m, Cable Diameter 3 mm, Operating Wavelength 1260 to 1625 nm, Attenuation <0.18 to 0.32 dB/km. More details for P2-SMF28-PCSMA-1 can be seen below.