Tripp-Lite's AT Style Serial Adapter Has Gold Plated Connectors And Will Connect A Serial Device With A DB25 Connection To A DB9 Cable Or Port. Gold plated copper contacts provide maximum conductivity and keep data loss to a minimum. 28 AWG stranded tinned copper conductors are individually insulated in polypropylene to minimize cross talk, ensuring high-speed, error-free transmission. Tripp Lite offers a Lifetime replacement warranty on all cable products. Comes in retail packaging.