Gallery View: Keyless entry systems add all-around controls

Linsheng International Enterprise Co. Ltd offers the model LS-KE2 keyless entry system that supports remote central door lock and unlock. It is universal and compatible with electric and pneumatic locks. The kit doubles as a siren, and can control turn lights, release remotely the trunk and roll up or down windows. The LED indicator is optional. The system is easy to install.

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The QN-RF399X model from Qinuo Electronics Co. Ltd is a smart keyfob compatible with Hyundai Sonata, IX35, Veloster and Genisis, and Kia Cerato and Sportage cars. It incorporates three or four buttons for various controls. Operating frequencies are 433.92 and 315MHz.

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Shenzhen Cardot Electronics Technology Co. Ltd's model CD-RC72 is a remote central lock system that includes flip-key transmitters. It adopts a 3-channel code-learning programmable receiver. Learning codes or new remotes can be added and programmed easily. The unit works as a pneumatic or electric lock that can open and close doors, roll up windows and release the trunk. Output current is 4A and pull/push force is 4.5kg. The product works more than 100,000 times. Its main control module operates at 12V and 300 to 350mHz.

The model LK10 universal keyless entry system from Shenzhen Leadway Automobile Technology Co. Ltd locks and unlocks car doors, closes windows and releases the trunk. It learns codes and flashes to alert the owner. Buyers can choose between electric and air lock types. The kit operates at 433.92MHz and on 12±2VDC. Static and maximum current are ≤8mA and 15A, respectively. Central lock and direction outputs are ≤15A.

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Suitable for Mercedes-Benz cars, Zhongshan Auto Electronics Technology Co. Ltd's model AOD-02 induction door lock system features a door handle that sends commands to the control module and verifies user information to unlock the car door. When the lock sensor on the handle is touched, the door locks and enters into armed state, and car headlights flash once. The system can also close windows and the sunroof, fold side mirrors, open the trunk, and let off an alarm during illegal entry. Door reminders are given and confirmation is needed when locking.

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The VT-500TWL model from Zhongshan Victor Electronics Co. Ltd is a keyless entry system that works as a universal programmable electronic or air compressor lock. It can use learning or hopping codes. The kit has remote lock, unlock and trunk release features, and power window output. There are LED indicators and flashing lights for vehicle location.

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