This Siemens SpeedStream 4100 Ethernet ADSL modem is perfect for those who are looking for a reliable modem device with various connectivity options. Its sleek black design is sure to match any setup and it comes with features such as ADSL and Ethernet for seamless internet connection. The modem is equipped with a single Ethernet (RJ-45) port and supports both wired and wireless connectivity. It is a used item but is in good working condition. The package includes the modem only, without an AC adapter.