Adopted radio automatic record method, the system includes 12 remote survey sites and stations, 1 central receive and control station, 2 transmit stations and 3 leading unit receiving systems.

The component, structure and control software of an automatical call-up unit in radio call-up station are introduced to realize the automatic call in manual radio call-up station.

Option 936 or 868 control unit to form tweezers soldering station.