1single modeG652DG655,G657A1,G657A2,G657B3) and multimode(OM1,OM2,OM3,OM4) 2,simplex,duplex,multi core 3,armored and non-armored 4,Storage temperature(-40+60) 5,Adopted to Outdoor distribution 6,uitable for aerial (self- supporting),decrease cost 7,Long distance and local area network communication 8,Stainless steel or gaivanized steel self-supporting 9,Excellet mechanical and environmental performance