This coaxial phase shifter has a range of 0 - [10 x F] where F is the frequency in GHz. To shift the phase, turn the captive screw. Phase shift range per rotation is (0.6 degrees x F). This version has an SMA Male connector at one end and an SMA Female connector at the other end. The maximum average input power is 200 watts at 500MHz, derated to 40W (+46 dBm) at 18GHz.