Uwb switch and signals

Hi all.
I need a little advice.
I have to design a small device that switches an uwb signal from 2 position (SPDT). My original idea was something like this:

In your opinion, it"s correct?
My first goal is to make this object work, and then I'll consider stuffs like impedance matching, track width, etc...

Any advice would be very useful, I'm a newbie in this world...

Thanks