Socket's Go Wi-Fi! P300 is an 802.11g SDIO Wireless LAN card for Windows Mobile 2003/SE and 5.0 Mobile-based devices. Its Fast-roaming feature enables users to move from one access point to another in less than 200 ms. The device supports voice over Wi-Fi features with Skype software, infrastructure WLAN and ad hoc peer-to-peer connectivity, and a radio on/off feature (airplane mode). The battery-friendly design minimizes power usage while maximizing data throughput. Together with the Socket Wi-Fi Companion software utility, it performs such operations as network ping and trace route functions and enables the user to monitor signal strength. The Go Wi-Fi! P300 works with a variety of WLAN security protocols and networks with enhanced security. The device shows WLAN connection status and power mode via LEDs on the card.