My office has broadband access to the Internet. However, it is protected by a corporate firewall. You can buy a residential gateway router from any PC hardware store. The Mini System is configured to use an automatic DHCP connection, so no dial-up is required. No, the Mini System only works with the latest broadband services that provide Cat.5 cable output via RJ-45 plugs.
Examples are ADSL or cable provided by the major service providers.
But without a broadband internet connection, you will not be able to receive internet radio. Just plug in all the cables and the FW-i1000 will function the same way it did in your house. My office has broadband access to the Internet. However, it is protected by a corporate firewall. The Internet radio stations list is maintained by Philips' partners.