TRENDnet 200 Mbps Compact Powerline Ethernet AV Adapter Kit TPL-306E2K&nbsp;(White) Includes two TPL-306E adapters 200 Mbps building-wide networking over an existing electrical system Advanced 128-bit AES encryption to ensure total network security Use up to 6 adapters to network devices in different rooms without the need for new cabling Compatible with all operating systems (Optional management utility compatible with Windows 7 (32/64-bit), Vista (32/64-bit), and XP (32/64-bit) operating systems) Three LED indicators: Power (on/off), Powerline Connection (green (best), amber (better), red (good), off(no connection)), Ethernet Connection (solid (connection), blinking (transfer activity), off (no connection)) One-touch Sync button to change the default encryption key Network signal transmits up to 300 meters (984ft.)