If the photograph is clicked, it grows.

HP 777D Dual-Directional Coupler, 1.9 GHz to 4 GHz
JPY25,000 1stock
par939

Superior RF Performance
Nominal Coupling and Variation: 20 ±0.4 dB
Directivity: >30 dB
Maximum SWR: 1.2
Insertion Loss: <0.75 dB

Power Rating Average, Peak: 50 W, 500 W

Dimensions: 225.4 mm L x 63.5 mm H x 28.6 mm W (8.88 in x 2.50 in x 1.13 in)