OK Encoder is a locksmith tool to duplicate challenging RFID tags. If you are a locksmith, RFID card encoder/manufacturer, or condo key fob duplication business, we might have a solution for you. Please email us at info@okencoder.com to learn more. This is a trade only tool and it's not available to the general public. Please introduce yourself when contacting us. If you just need to get your own condo key fob duplicated. Many condo key fob duplication businesses might have already been using our tool. Please visit them for duplication. If there's no local condo key fob duplication business close to you. We have a partner business that offers an online-based service: mrkeyfob.com.