An endoscope comprising: an insertion section which has a distal end portion, a rear end portion, and extended front and back directions defined by the distal end portion and the rear end portion, the distal end portion is adapted to be inserted into a body cavity; an observation optical system which is provided in the insertion section, which acquires a picture of a subject; a base section which has an upper end portion and a lower end portion; a gripping section which is provided between the upper end portion and the lower end portion of the base section, which has a front side part facing to the front direction of the insertion section, and which is adapted to be gripped by an operator; a curved section which is provided at the upper end portion of the base section; a head section which is coupled to the rear end portion of the insertion section to protrude toward the base section at a predetermined angle, which is arranged between the curved section and the rear end portion of the insertion section; a first antenna which is arranged between the rear end portion of the insertion section and the front side part of the gripping section and which is configured to be apart from a hand of the operator; and a second antenna which is arranged at a position closer to the lower end portion of the base section and which is in front of the front side part of the gripping section and which is configured to be apart from the hand of the operator, wherein an image obtained by imaging the inside of the body cavity by the observation optical system is converted into a wireless signal, wherein the system is configured to enable transmission/reception of the wireless signal to/from the outside through the first and/or second antenna. an insertion section which has a distal end portion, a rear end portion, and extended front and back directions defined by the distal end portion and the rear end portion, the distal end portion is adapted to be inserted into a body cavity; an observation optical system which is provided in the insertion section, which acquires a picture of a subject; a base section which has an upper end portion and a lower end portion; a gripping section which is provided between the upper end portion and the lower end portion of the base section, which has a front side part facing to the front direction of the insertion section, and which is adapted to be gripped by an operator; a curved section which is provided at the upper end portion of the base section; a head section which is coupled to the rear end portion of the insertion section to protrude toward the base section at a predetermined angle, which is arranged between the curved section and the rear end portion of the insertion section; a first antenna which is arranged between the rear end portion of the insertion section and the front side part of the gripping section and which is configured to be apart from a hand of the operator; and a second antenna which is arranged at a position closer to the lower end portion of the base section and which is in front of the front side part of the gripping section and which is configured to be apart from the hand of the operator, wherein an image obtained by imaging the inside of the body cavity by the observation optical system is converted into a wireless signal, wherein the system is configured to enable transmission/reception of the wireless signal to/from the outside through the first and/or second antenna.