Belden 984 is a low capacitance serial cable used in EIA RS-485 applications. This cable has a nominal impedence of 120 Ohm and comes with 2 pairs of 24 AWG stranded tinned copper conductors. The conductors are insulated with polyethlyene PVC. This cable is protected from RFI and EMI interference by a 100% Aluminum foil-Polyester tape Beldfoil® shield, plus a 90% tinned copper braid. The jacket is CM rated PVC.