Did you ask Dr Google?https://www.commscope.com/catalog/cables/pdf/part/63951/5202002_P3__500_CA.pdf RG-11 is a .405" OD class flexible coaxial cable like RG-8. --- Ciao baby, catch you on the flip side. GEO http://www.w3ab.org Time flies like an arrow, fruit flies like a banana.