Abstract: An image capturing device having electromagnetic wave signal transmitting and receiving functions is disclosed. The image capturing device has a circuit board, a lens module and a wireless radio frequency unit. The circuit board is electrically connected to the main board. The lens module has a housing. The housing has a barrel body and an antenna arranged inside the barrel body. The antenna is electrically connected to the circuit board. The wireless radio frequency unit is electrically connected to the circuit board. Since the antenna is arranged inside the lens module.