Patent ID: 8838173
Filing Date: 2014-09-16
Classification: H04W

Abstract:
1. A calibration system comprising: a calibration jig, including a cable coupler in which a Radio Frequency (RF) cable is inserted, for insertion in a user identification card slot unit of a portable terminal, wherein the portable terminal connects a first wireless path between an RF communication unit of the portable terminal and the calibration jig when the calibration jig is inserted, and blocks a second wireless path between the RF communication unit and an antenna; a measuring device for connecting with the calibration jig through the RF cable, and for exchanging a wireless signal with the RF communication unit through the first wireless path; and a computer for connecting with the measuring device and the portable terminal, and for controlling a calibration procedure of the portable terminal, wherein the calibration jig comprises a second user identification card slot in which a user identification card is inserted.