1. Conductor: single tape tinsel, double tape tinsel, stranded bare copper, stranded tinned copper.
2. Insulation: polypropylene (PP), thermal plastics elastomas (PET), polyvinylchloride (PVC), polyurethane (PUR), polyethylene (PE).
3. Jacket: polyvinylchloride (PVC), polyurethane (PUR), polyethylene (PE).
4. Connection: US modular plug (RJ12), wire terminal of various types or any European telephone plug such as Germany, Italy, French, Denmark, Finland and Belgium.
According to customers' specification.