Disclosed is an optical module in which there is provided a socket having contact points for electrically connecting internal active elements to an external circuit board formed at both terminals of the socket, and a matching circuit for achieving impedance matching with the active elements formed between the contact points, and the contact points to be connected to the external circuit board is horizontally protruded from one surface of the package. The optical module is easily attached to and detached from an optical communication system, and has high frequency characteristics so that a signal loss and interference between signals are minimized.
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