The bus stop is only 50 meters away, in Largo Dante Alighieri.
You may refer to the arrival station of Brescia or Desenzano del Garda, then local bus from Brescia to Salo and vice versa
Info and timetables: www.trasportibrescia.it
From Brescia to Salo and back there is a bus leaving every 30 minutes, from early morning until around 22:30.
From Desenzano to Salò bus rides are less frequent. The last bus leaves at at 18:30 from Desenzano Railway Station.
To know
Tickets must be bought before boarding at authorized retailers (bars and tobacco shops).