SERIAL EXTENSION CABLE: DB9 Serial male to female cable allows you to extend the reach of your serial devices by up to 1 meter, reducing cable length restrictions and providing flexibility for positioning your serial devices as needed QUALITY CONSTRUCTION: High quality 28 AWG copper wires with Al-Mylar cable shielding and shielded metal shell connectors help prevent EMI interference; Molded PVC connectors with strain relief and PVC jacket prevent damage due to bends or rough usage SCREW-ON STRAIGHT THROUGH CABLE: This is Straight-through cable (not a null-modem cable) comes with thumbscrews for reliable tool-less installation and easy removal LIFETIME SUPPORT: Backed by StarTech.com lifetime warranty for dependable performance SPECIFICATIONS: 1m (3.3ft) | DB9 serial Male to DB9 female | Black | 28AWG, 4.8mm OD | Al-Mylar cable shield & Metal shell connectors | Molded PVC strain relief & jacket | Lifetime Warranty | Note: This is a Straight-through cable, not a null-modem.