Using Globespan chipset, with One Ethernet Port ?New generation of external ADSL modem/router with router and firewall integrated, ?Max. downstream: 8Mbps, Upstream: 1Mpbs ?Max. transmission distance: 5.4km ?Compatible with varies of DSLAM's ?Built-in PPPoE virtual dial-up program ?Lightning-proof ?Friendly web-based configuration interface. ?Ethernet interface(RJ-45): Connectible with NIC, HUB and Switch ?POTS Line: RJ-11 ?LED Indicators: POWER, LAN-LINK, LAN-ACT, ADSL-LINK, ADSL-ACT ?Operating Environment Temperature：-20癈 to 70癈, Humidity：5% to 90%