These directional couplers from BroadWave Technologies offer a frequency sensitivity of ±0.6 dB maximum, insertion loss of 0.5 dB maximum and directivity of 20 dB minimum. Maximum VSWR is 1.25:1. The couplers come with N female type RF connectors.
Model 252-090-020 can handle an RF input power of 50-W average and 1000-W peak.
Directional couplers designed by BroadWave provide an accurate method for sampling a signal. The company offers couplers for most applications including power measurements, signal levelling, and frequency measurements from 500 MHz to 18 GHz with N or SMA connectors.