Precision Adapter 2.4mm (f) to Type N (f) DC 18GHz The Agilent (now Keysight) 11903B is 2.4 mm female to type-N female adapter with DC to 18 GHz operation. Features: Connector Type: 2.4 mm female, type-N female Grade: Metrology Frequency Range: dc - 18 GHz Return Loss: > 28 dB Repeatability: -48 dB Electrical Length: 46.1 mm (1.85 in) Overall Length: 58.3 mm (2.30 in) Diameter: 15.7 mm (0.62 in)