2,4mm / Type K Adapter, DC - 40GHz The 11904D is a 2.4 mm female to 2.92 mm male metrology-grade adapter with DC to 40 GHz operation. It is 17.0 mm in length and has a diameter of 9 mm. Features: Connector type: 2.4 mm female to 2.92 mm male Grade: Metrology Frequency Range: dc - 40 GHz Return Loss: > 24 dB Repeatability: -40 dB Electrical Length: 11.3 mm (0.45 in) Overall Length: 17.0 mm (0.67 in) Diameter: 9.0 mm (0.35 in)