There is provided a radio control transmitter comprising: a grip portion gripped by an operator at the time of performing remote control of a control target; a base portion disposed at one end of the grip portion; a head portion disposed at the other end of the grip portion and having an operating member configured to control the control target, wherein the radio control transmitter is configured to transmit a control signal to the control target in response to an operation of the operating member; and a switch mechanism including an operating member provided as a part of a surface of the base portion and at least one switch built in the base portion and configured to activate a pre-assigned function when the operating member is pressed.