Minimum Loss Pad / Adapter DC 3GHz, 50Ohm - 75Ohm or 75Ohm - 50Ohm Impedance Converter, Type-N Connectors
The Agilent (now Keysight) 11852B is an instrument-grade, 50 ohms type N female to 75 ohm type N male adapter. It is also available in 50 ohms type N male to 75 ohms type N femal configuration. (With option 004 has the 11852B 50 ohms type N male and 75 ohms type N female connector.)
Insertion loss: 5.7 dB, typ.
Return loss: > 27 dB
Electrical length: 1.98 in.
Overall length: 2.37 in.
Diameter: 0.87 in.
Reference plane to reference plane length (nominal): 1.98 in.
€ 265 (net) $334 (US)