For example: Agilent E4440A or Anritsu 68369
Aeroflex - Weinschel Attenuators
Electronic Step and fixed Attenuator for RF Equipment
Aeroflex - Weinschel 53-20-33
Aeroflex / Weinschel High Power Fixed Coaxial Attenuator N, 2.5 GHz, 500 W
Manufacturer: Aeroflex - Weinschel
Aeroflex - Weinschel 53-20-34
Aeroflex / Weinschel 53-20-34 High Power Fixed Coaxial Attenuator N, 2.5 GHz, 500 W
Manufacturer: Aeroflex - Weinschel