A wireless communication terminal comprises: a first circuit board 22 to which a reference potential pattern 32 is provided and an electric component is arranged; a case body 24 attached to the first circuit board 22 and including a conducting portion 38 which is electrically conducted to the reference potential pattern and covers the electronic component in a state where the case body is attached and a non-conducting portion 40 including no electric conductivity; and a housing 8 which houses therein the first circuit board 22 and the case body 24. An antenna 50 is formed on the non-conducting portion 40 and the antenna 50 is insulated from the conducting portion 38 and electric power is supplied to the antenna 50 from the first circuit board 22.