WR90 Narrow Wall Directional Coupler, 40 dB coupling, +/-3 dB frequency sensitivity, directivity 30 dB; this is a drop-in replacement for Narda 1080
WR90 Narrow Wall Directional Coupler, 40 dB coupling, +/-3 dB frequency sensitivity, directivity 30 dB; this is a drop-in replacement for Narda 1080