The Extron STP22-2 Serial Control/Audio Cables are reliable and high performance solutions for transmission and distribution of audio and control signals in a variety of AV applications. These cables comprise two twisted pair, 22 AWG, color-coded, tinned copper conductors wrapped in a foil shield, and are available in plenum and non-plenum jackets. Each cable includes a tinned copper drain wire on the inside of the foil shield.