A first device for use to gain access to a vehicle or to a controlled access item or area, wherein access is controlled by a second device. The first device for carrying on a person of a user and paired with the second device. The first device comprises components having a primary function not related to gaining access; a limited range transmitter for transmitting a signal to the second device, the second device receiving the signal and determining whether the signal was transmitted from the first device; responsive to determining that the signal was transmitted from the first device, the second device for issuing a control signal permitting the user to gain access to the vehicle or to the controlled access item or area.