A camera module (100, 100A), comprising: a housing (110, 110A); and a circuit board (120, 120A, 120B, 120C) accommodated in the housing (110, 110A), the circuit board (120, 120A, 120B, 120C) being connectable to a connector (200, 200B) including a frame and a metal, the metal being affixed to an exterior of the frame for maintaining a shape of the frame so as to prevent deformation of the connector, characterized in that the circuit board (120, 120A, 120B, 120C) includes: a ground portion; a connection portion located to be electrically insulated from the ground portion, the connection portion being connectable to the connector (200, 200B) and shaped to be connected to the connector (200, 200B); and an electrically insulating member disposed between the ground portion and the connection portion to electrically insulate the ground portion and the connection portion, such that an electrostatic discharge, introduced into the connection portion by way of the metal of the connector from the housing is not transmitted to the ground portion, wherein the circuit board includes at least one functional element, and the at least one functional element is connected to the ground portion of the circuit board, wherein the connection portion includes a power input terminal connected to the connector to supply power to the circuit board, and wherein the connection portion includes a signal input and output terminal connected to the connector to supply a signal to the circuit board or to receive a signal from the circuit board. a housing (110, 110A); and a circuit board (120, 120A, 120B, 120C) accommodated in the housing (110, 110A), the circuit board (120, 120A, 120B, 120C) being connectable to a connector (200, 200B) including a frame and a metal, the metal being affixed to an exterior of the frame for maintaining a shape of the frame so as to prevent deformation of the connector, characterized in that the circuit board (120, 120A, 120B, 120C) includes: a ground portion; a connection portion located to be electrically insulated from the ground portion, the connection portion being connectable to the connector (200, 200B) and shaped to be connected to the connector (200, 200B); and an electrically insulating member disposed between the ground portion and the connection portion to electrically insulate the ground portion and the connection portion, such that an electrostatic discharge, introduced into the connection portion by way of the metal of the connector from the housing is not transmitted to the ground portion, a ground portion; a connection portion located to be electrically insulated from the ground portion, the connection portion being connectable to the connector (200, 200B) and shaped to be connected to the connector (200, 200B); and an electrically insulating member disposed between the ground portion and the connection portion to electrically insulate the ground portion and the connection portion, such that an electrostatic discharge, introduced into the connection portion by way of the metal of the connector from the housing is not transmitted to the ground portion, wherein the circuit board includes at least one functional element, and the at least one functional element is connected to the ground portion of the circuit board, wherein the connection portion includes a power input terminal connected to the connector to supply power to the circuit board, and wherein the connection portion includes a signal input and output terminal connected to the connector to supply a signal to the circuit board or to receive a signal from the circuit board.