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BlogsAsk The Experts ForumHow Can I Use RFID to Let Pets In and Out, But Not Other Animals?

How Can I Use RFID to Let Pets In and Out, But Not Other Animals?

Posted By RFID Journal, 03.29.2013

There are two cat doors in my new house with covers on them. I have to lift the covers to let cats in and out, or I can leave them off and risk having unwanted guests. I looked into RFID cat doors, but they're expensive. Is it possible to add chips to the existing doors? Thanks!

—Joni H. (United Kingdom)


Dear Joni,

The chip is usually placed in the animal, not the door, though it can also be put on a collar, if you prefer not to embed one in your animal. The door would contain a small reader module that would unlock the door flap each time your cat approached, but would keep it locked for other un-tagged animals. If you are handy, you could possibly purchase a reader module online and set it up so that a tag on or in your cat would unlock the door. Here is a video showing how to do it. Good luck!

—Mark Roberti, Founder and Editor, RFID Journal


Ricardo Monleone 2013-04-08 05:31:38 AM
Dear Joni, the solution you are looking for is already existing. I have purchased one years ago from the british company Staywell: http://www.staywell.co.uk/ It works well and is based on a LF RFID solution, with the reader integrated in the door and the transponder being carried by the cat on a collar. I quickly checked their site and unfortunately, it seems that this particular product is no longer advertised, but it is replaced by one which reads the pet's implanted microchip (by the way, they also sell a door with a magnetic key). You might give them a call and ask. Otherwise, there are also other companies selling similar products, such as http://www.petsafe.net/

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