Extend the connection between your DB9 serial devices by up to 2m Allows you to extend the reach of your serial devices by up to 2 meters reducing cable length restrictions and providing flexibility for positioning your serial devices as needed High quality cable shielding helps prevent EMI interference Backed by StarTech.com lifetime warranty for dependable performance The MXT1002MBK Black Serial Extension Cable (2m) features one DB9 male connector and one DB9 female connector providing a high quality extension for your RS232 serial devices which enables you to position your peripheral devices as needed. Expertly designed and constructed of top quality materials to ensure durability this DB9 extension cable is backed by our Lifetime Warranty. What?s in the box 2m Black Straight Through Serial Cable – DB9 M/F