The Boxee Box will sport both 802.11n wireless and Ethernet networking, and will come with an RF remote control with a QWERTY keyboard on its backside.

This paper probes into the application of RF technology in the wireless remote control system of electric welding machine from two aspects of hardware design and software design.

High sensitivity receiver can receive RF signals at the most distance or remote point, and is beneficial to reducing the power loss of the transmitter.