Low loss antenna switch

A low loss antenna switch, comprising:

• a plurality of first stage switch modules electrically connected to an antenna unit, wherein each said first stage switch module comprises a plurality of first stage switch units in series;
• and
• a plurality of second stage switch modules electrically connected to each said first stage switch module respectively, wherein each said second stage switch module comprises a plurality of second stage switch units in series, and said first stage switch unit and said second stage switch unit comprise a width, wherein said width of said first stage switch unit closest to said antenna unit and said second switch module is smaller than other first stage switch units of said first stage switch module, and said width of said second stage switch unit closest to said first switch module is smaller than other second stage switch units of said second stage switch module.