Vintage scratch build Unknown test equipment

RF Power Attenuator 20dB, 8GHz, 25W, N-type, Aeroflex Weinschel 33-20-34

10DB Attenuator 100Watt ATTENUATORS FLANGED 100Watts 10DB DC-3GHz 50Ohms6962

RF-8GHz-60DB Programmable Attenuator + Offline Board +Serial Port Adapter Cable

SMA 3dB 50 Ohm Attenuator - Mini Circuits Part Number VAT-3

NARDA Model 4798 , 0 - 20dB RF Preset Attenuator , 7 - 18GHz , 50 Ohm SMA TypeB

MaCom 2082-6041-05 Coaxial Fixed Attenuator SMA DC TO 18GHZ 5DB

JFW 50F 006 1W 6dB BNC attenuator