DRAKA U-DQ(ZN)BH 4E is a universal fiber-optic cable for indoor and outdoor applications. Single-mode G.652D 9/125 μm fibers are contained in a central gel-filled tube. The gel in the tube is a kind of protective coating for optical fibers, which absorbs mechanical stresses and protects against environmental factors. The aramid yarn is designed to protect the central tube and fibers from mechanical damage, including risks posed by rodents..
DRAKA U-DQ(ZN)BH 4E contains 4 single-mode fibers (Sumitomo). The color identification of the buffer layers complies with the TIA-EIA-598-A standard. The jacket (sheath) is made of low smoke zero halogen flame retardant polyolefin (LSZH).