... ,250MHZ, 2. US standard:ANSI/TIA-568B 3. OEM unshield DATA CABLE cat 61.Conductor: material: solid or stranded copper (Copper ... : Min.1.41kg/mm2 flammability grade: CMX, CM4. Rip cord& meter mark: optional5. Standards: CE, UL, ROHS, ISO 9001:2000, SGS ... availableOuter brands, jacket colors, conductor material as customers requirement. unshield DATA CABLE cat 6