Waveguide to coaxial adapter, WR137 to N female, 5.82 - 8.2 GHz, 6 holes rectangular flange, very good impedance matching, typical return loss >25dB, insertion loss <0.1dB
A = 59mm (2.323") B = 34.9mm (1.374") C = 16.7mm (0.657") D = 39mm (1.535") E = 17.6mm (0.693") F = 15.9mm (0.626")