The Gigaset SE567 is an ADSL modem equipped with 802.11 wireless technology, meaning it is also a wireless router and is used with various different Internet Service Providers. As with all ADSL modems, configuration, hardware or connection issues can occur at any time, and can be annoying. But by using the a few troubleshooting techniques, they can often be easily fixed. If after troubleshooting the issue, the modem continues to fail, the problem may be hardware related and require modem replacement. Writer Bio