RS232 SERIAL NULL MODEM CABLE: DB9 male to female serial cable enables a connection between two DTE devices at a distance of up to 3 meters, reducing cable length restrictions and providing flexible serial device setup configuration QUALITY CONSTRUCTION: High quality 28 AWG tinned wires with aluminum mylar cable shielding and shielded metal shell connectors prevent EMI interference; Molded PVC connectors with strain reliefs and PVC cable jacket prevent damage due to bends SCREW LOCKING NULL-MODEM CABLE: This crossover cable features thumbscrews that prevent accidental disconnection which can lead to data loss SPECIFICATIONS: 3m (9.8ft) | DB9 male to DB9 female | Color: Black | 28AWG | OD: 4.8mm | Al-Mylar cable shield & Metal shell connectors | Molded PVC strain reliefs and jacket | Note: This is a null-modem cable, it is not a straight-through cable THE IT PRO'S CHOICE: Designed and built for IT Professionals, this serial null-modem DB9 cable is backed for life, including free lifetime 24/5 multi-lingual technical assistance | This serial cable is available in other lengths