Comba 8dB Directional Coupler 340-2700MHz -161dBc (DC-FR08-OMD300CI)

Narda 10-dB Directional Coupler, 225 MHz - 460 MHz, 3000-10

Narda Model 4242-20 0.5-2.0 GHz

Comba 10dB Directional Coupler 340-2700MHz -161dBc (DC-FR08-OMD300CI)

HP 775D Dual Directional Coupler 450-940 MC

PRD P4410-10 460 to 950 MHz, 10 dB,200 W,Type N (F) Coaxial Directional Coupler

Agilent 797D Directional Coupler 19.7 DB

RLC Electronics M-3240A -30dB Directional RF Coupler - 50 ohm