Interference of multiplexed signals is reduced in an MC-CDMA communication system. An inclined supporting surface is formed with a connector for electrical connection with a computer at a front top surface of the cases. In response to subsequent boot image requests from the clients, boot images cached at the network devices are downloaded directly from the network devices rather than from the boot server, reducing network traffic to and from the boot server and domains in between. Selective content may be accessible or downloaded via a communication node, wherein such content may include application programs or informational data specifically correlated with a media device location or a designated vehicle passenger.