the present invention provides a coaxial rf cable connection device that connects a coaxial rf cable to a printed circuit board having one side on which a signal transmission pattern is formed and having another side on which a ground plane is formed . the devices has central body with a support opening into which the cable is penetrated and inserted and a solder block with a pair of auxiliary bodies respectively protruded from both sides of the central body . the printed circuit board has a cutting portion formed by cutting and removing a part of the edge . a pair of through holes are formed on both sides of the cutting portion and is soldered on one side of the printed circuit board .