1. Constitution of the Radio Frequency Keyless Entry System for vehicle The radio frequency keyless entry is a system that it controls locking and unlocking the door and the trunk and the panic by wireless remote controller. This system consists of three components. The TRANSMITTER is a device that transmits the signal when the button is pressed.
2. User's manual (provisionally) REMOTE TRANSMITTER You can lock and unlock your vehicle with the remote transmitter. LOCK When you push the LOCK button, all the doors will lock. You cannot lock any of the doors with the remote transmitter if the key is the ignition switch. UNLOCK When you push the UNLOCK button, all the doors will unlock.
4. Specification 4.1 CPU Type UPD78F0567(32bit) Manufacturer : Renesas 384KByte 24KByte Clock frequency 4MHz Clock frequency generation Crystal resonator Package 144pin QFP 4.2 RF Receive Module Type G8X-21RX-KO2 Manufacturer: OMRON KOREA Local clock frequency 313.85MHz Frequency generation Crystal resonator Modulation Scheme FM(superheterodyne) ±200 KHz Bandwidth...
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6. Derivatives OKA-870R is an integrated controller for a car body control, includes the keyless entry receiver. The integrated. controller consists of the multiple control functions as follows, centralized door lock, turn-signal lamp, room-lamp, intermitted wiper, power window timer, ignition key illumination, warning buzzer and so on.
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