you will need an external power supplied, usually bundled with the hardware. i'd go for a SS2 over twinhan.High speed Internet via satellite
To use "Internet via satellite" service, you need to have an account from satellite Internet service provider, plus an account with a local Internet Service Provider. First, you connect to the Internet via your local Internet Service provider. Secondly, you log on to your Satellite Internet provider. If you are sending a request for a specified web page, the request goes via your local provider to the Satellite provider. They will retrieve the Internet data and send this specified web page via Satellite back to your Computer. The download speed depends on the satellite ISP provider.