Along with correspond by letter the development of the profession, the wireless signal blast-off the station is gradually small scaled to turn and easily operate. It results in the illegal member made use of it to carry out to break the law the crime activity, influencing the people to usually produce the living work. The want for is related to examine and position the equipment in fight break the law shoot stand break the law the activity of the criminal offence. The huge inconvenience of the traditional wireless monitor equipment physical volume in take. Positioned the calculate way through the RSSI and GPS the Base station to design the fixed position the hardware host of the instrument and the kit software of the smart terminal. Should position the instrument assurance fixed position accuracy to guarantee the equipment physical volume in the meantime of small scaled turn and then hold to turn. The examination and the fixed position function that carries out to stand to the illegal blast-off, only to the experiment and the analysis that the illegal GSM shot station to carry on examination and position.