The features of satellite communications are overviewed, and the design of special transceiver system for satellite multichannel signals is described.

Sending and Retrieving Based on WSAEventSelect Model;

According to the analyzing of method to miner’s lamp and self-help device management,the paper points out the trouble of specific responsibility receive and dispatch method and puts forward self service method inroduce the advantage of self-sevice instead of full-time sending out and having back.