Telonic TE-50A/TB-50A 0-60 dB Max, DC-1.5 GHz UHF Step Attenuator TESTED READ
They are drum type manual attenuators, mounted to a blue steel panel which shows it age (panel a little rough), but are easily removed.
They are drum type manual attenuators, mounted to a blue steel panel which shows it age (panel a little rough), but are easily removed.