Belden 2 Pair Screened Multipair Industrial Cable, 0.33 mm² CSA 22 AWG 304m. Cable Type: Twisted Pair. Outer Diameter: 9.04mm. Shield Type: SF/UTP. Outer Sheath Material: PVC. Sheath Colour: Black. Characteristic Impedance: 120 Ω. Core Strands: 7/30. Voltage Rating: 300 V. Series: RS-485. Fire Behaviour: Flame Retardant. MPN: 3107A.00305