a door handle;

a flexible antenna including a magnetic body core made of a soft magnetic body, received in the door handle and serving as a transmitter-receiver communicating with a portable device;

a handle body having a backface side formed with a cover receiver;

a cover handle united with the antenna and made of a plastic resin, the cover handle mating with the cover receiver in such a manner as to be held by the cover receiver; and

a sensor for sensing at least one of the followings which are implemented by an operator carrying the portable device:

to thereby allow the transmitter-receiver and the portable device to communicate with each other, thus locking or unlocking the door.

the cover handle has a first end side and a second end side respectively provided with a first engagement protrusion and a second engagement protrusion,

the cover receiver has a first end side and a second end side respectively provided with a first engagement and a second engagement, and

the first engagement protrusion and the second engagement protrusion are respectively engageable with the first engagement and the second engagement.

the sensor is united with the antenna.

the sensor is united with the antenna.

the door handle is applied to an outside door handle device for a vehicle.

a grip for operating a door;

a plastic antenna communicating with a portable device for operating a lock gear of the door; and

an engagement gear for engaging the grip with the plastic antenna.

the antenna includes:

the antenna includes a protrusion extending from the flexible base, and

the grip includes a nail extending toward the door and engaged with the protrusion.

a door handle for operating a door;

a lock gear for locking the door; and

a controller for operating the lock gear, the controller including: