Coal mining industry output difficult to verify, measurement is not accurate, the tax department to control their production, the tax department in the coal industry to strengthen tax collection and management in spite of the variety of measures, but the coal industry revenue management problems in the仍没been fundamentally resolved , Coal mine enterprises of the amount of tax evasion in a serious, serious loss of revenue, the coal industry has become a difficult tax administration. Coal output remote monitoring system data transfer most of its economy the most reliable method of transmission is through INTERNET network, but the scene monitoring terminal using only a means of communication to transmit data, but also great risks. Use of existing commercial GPRS wireless network as a backup communication lines to ensure the timely transmission of data. Through the GPRS standard interface of the software and hardware design, to achieve at the end wireless data transmission tasks.

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