A door latch system for an automotive vehicle uses a push-pull cable linked to a lock cylinder and to a latch to move the latch assembly into the locked position while simultaneously blocking the latch’s lockunlock lever from moving into the unlocked position. The transmitter includes a data input. The flexible units are continuously disposed at the recesses of the cylindrical units. Its novelty consist of the following combination of desirable features:1. Since no AD is used, there is no extra time and hardware cost for the conversion from analog signals to digital signals. The stationary end is mounted on the inner surface of the upper rim.