2 Pack 9 Pin Serial Male to Female Extension Cable Lead DB9 RS232 Serial 1.2m - Grey Connectors: DB9 Male to DB9 Female. Extend the reach of your serial devices by up to 4 feet Extend your existing RS232 serial cables,High quality shielding prevents EMI interference Each extension cable comes fully shielded to prevent against unwanted EMI/RFI interference, and its fully-moulded design delivers excellent strain relief Fully moulded connectors with thumbscrews provide you with a quick and easy connection every time. Replace worn-out or missing straight through serial cables with this high quality 1 Year Warranty. Allows you to extend the reach of your serial devices by up to 3 meters, reducing cable length restrictions and providing flexibility for positioning your serial devices as needed High quality cable shielding helps prevent EMI interference 1x DB9 Serial (male) connector 1x DB9 Serial (female) connector High quality shielding prevents EMI interference DB9 connectors with strain relief molding