That shop seems to be active, I thought it had closed. My virus programme blocked their website and gave me an alarm.
Here is their telephone book entry, you can Mail them,
info@interelectronic.ch http://tel.local.ch/en/d/Bern/3005/E...nik&where=Bern
I think the bus only runs in the evening, but there is a Marzli funicular nearby from near the Bundeshaus, down to the Marzli,
http://map.search.ch/d/jgxnthmot