RF phase shifters from Fairview Microwave have either a 3.5 degree or a 60 degree per GHz phase adjustment and use SMA connectors. These SMA phase shifters for RF have a frequency range of DC (0) up to 18 GHz depending on the model. Fairview RF phase shifters maximum insertion loss is between .5 dB and 1 dB with a maximum power of either 80 Watts or 100 Watts. Our radio frequency phase shifters peak power is 3,000 Watts with a max. VSWR of between 1.41 to 1.6.