Product Information: ? Cable Type: Serial ? Shielding Material: Aluminum Mylar ? Jacket Material: Polyvinyl Chloride (PVC) ? Cable Characteristic: Null Modem Cable ? Cable Configuration: 2-3 Rollover Cable ? Cable Length: 16.4ft ? Connector on First End: 1 x 9-pin DB-9 Female RS-232 Serial ? Connector on Second End: 1 x 9-pin DB-9 Female RS-232 Serial