Comtrol 99020-8 RocketPort Plus Universal Quadcable 4-Port DB-25. Host interface: PCI, Output interface: RS-232, Connector(s): DB25 Male. Processor clock speed: 44 MHz. Width: 160.02 mm, Height: 101.6 mm, Weight: 0.13607 kg. Power consumption (typical): 1.35 W. Operating temperature range (T-T): 0 - 45 °C, Storage relative humidity range: 8 - 80 %