Wide Band Directional Coupler,is a new 20 dB coupler covering the frequency range of 0.5-27 Ghz with 1.5 dB insertion loss. Directivity is greater than 12 dB and frequency sensitivity is ± 1.4 dB. VSWR is 1.60:1 max and the input power is 25 watts into a 1.20:1 load. Connectors are SMA female.