a shield box main body made of metal, having a jig entrance formed on a front side, and equipped with a vent which a plurality of vent holes of 1 to 10 mm in size are formed on upper and rear sides, respectively;

a test jig assembly installed to be able to enter and exit through the jig entrance while mounting a PCB for non-contact wireless connection in which a plurality of non-contact wireless connection parts that are wirelessly connected to a mobile telecommunication terminal and transmit and receive signals are arranged; and

a ventilation fan mounted on the vent of the upper side or the vent of the rear side;

wherein the vent of the upper side is an intake vent, the vent of the rear side is an exhaust vent, an intake fan is mounted on the intake vent, and an exhaust fan is mounted on the exhaust vent;

wherein an intake hole is formed in the intake vent and an intake fan bracket to which the intake fan is fixed is mounted, and an exhaust hole is formed in the exhaust vent and an exhaust fan bracket to which the exhaust fan is fixed is mounted; and

wherein the test jig assembly includes: a jig frame on which the PCB for the non-contact wireless connection is mounted; a front panel mounted on a front surface of the jig frame and having an RF cable connector installed thereon; a PCB sheet installed on the jig frame and on which the PCB for the non-contact wireless connection is placed; a terminal interface box equipped with various interfaces with mobile telecommunication terminals; and a clamping part installed at a rear of the jig frame and firmly fixing mobile telecommunication terminals of various sizes to the predetermined position of the jig frame by an elastic force of a compression spring.