[elecena] 21131157 Switch, 16-port, Fast Ethernet - zmiany ceny ROLINE industrial switch 16x RJ-45, unmanaged 21131157 Switch, 16-port, Fast Ethernet - 294.53 EUR https://elecena.pl/product/23193763/21131157-switch-16-port-fast-ethernet 2023-04-10 21131157 Switch, 16-port, Fast Ethernet - 360.73 EUR https://elecena.pl/product/23193763/21131157-switch-16-port-fast-ethernet 2025-12-13