a switch designs having very low insertion loss , in which the insertion loss remains the same regardless of the number of inputs . a plurality of inputs are structured for receiving electromagnetic radiation signal having a wavelength λ . a plurality of switches , e . g ., pin diode switches , are coupled to a respective input . a main conductor is coupled to an output . a plurality of leg conductors are coupled at one end to the main conductor and at other end to a respective switch from the plurality of switches , wherein each of the leg conductors has a length substantially equal to nλ / 2 , wherein n is a whole natural number .