Coupler Model 120406 enhances the product line with performance ratings including nominal coupling (with respect to output) of 6 dB, ±0.5 dB, and frequency sensitivity of ±0.30 dB. The directional coupler exhibits insertion loss (including coupled power) of less than 1.8 dB, directivity of greater than 15 dB, maximum VSWR (any port) is 1.35, input power rating is 20 W average and 3 kW peak. Operating temperature is -54° to 85°C.