F• FirewallIt is a system that prevents an unlawful computer access in the network. To prevent, you can use thefirewall function of a broadband router, the security software installed in the computer, or operationsystem for computer.I• IEEE 802.11bInternational standard for wireless LAN using the 2.4 GHz frequency range with a throughput of up to11 Mbps.• IEEE 802.11gInternational standard for wireless LAN using the 2.4 GHz frequency range with a throughput of up to54 Mbps. Compatible with 802.11b.• IEEE 802.11nInternational standard for wireless LAN using the 2.4 GHz and 5 GHz frequency ranges. Even whenusing two or more antennas simultaneously or obtaining a bigger transfer rate than before by usingmultiple communication channels at the same time, the transmission speed may be influenced by theconnected apparatus.At the maximum transfer rate of 600 Mbps, it is possible to communicate with multiple computerterminals within a dozen or so metre radius.Compatible with 802.11b and 802.11g.• IP AddressA unique number with four parts separated by dots. Every network device that is connected to theInternet has an IP address. Example: 192.168.0.1An IP address is usually assigned by an access point or a DHCP server of the router automatically.• IPv4/IPv6They are internetwork-layer protocol used on the internet. IPv4 uses 32-bit addresses and IPv6 uses128-bit addresses.K• Key FormatSelect either ASCII or Hex as the Password (WEP) key format. The character that can be used for theWEP key differs depending on the selected key formats.◦ ASCIISpecify with a 5 or 13-character string that can include alphanumeric and underscore "_"characters. It is case-sensitive.◦ HexSpecify a 10-digit or 26-digit string that can contain hexadecimal (0 to 9, A to F, and a to f).250
