Quote:
Originally Posted by Decadeofdave
Amazon: rfid reader and writer kit with blank cards to duplicate $59
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"Cards" won't do it as they don't fit inside your mirror and you have to get the right type. There are dozens of types (different voltages and different chips and different frequencies) and multiple chip/antenna configurations of each "card". Some cards the antennae are too small (lower "power") and some are too big and won't fit. Some coils have more winds and work somewhat better. Best are custom made cards but if you get lucky you might find one that would suffice. Most important part to increase sensitivity is the number of winds vs. diameter of the antenna which can be custom ordered from overseas. There are also various types of readers and they all don't do the proper type of "card.". The one that works here is very "old" and the lowest power of just about anything out there now.
If you want to get 300 they are available from custom houses like manufacturers on Alibaba.com
(Not the same "Ed" but working on the same thing)
This is a custom made coil for those interested (NOT a card). You can stick it on the back of a credit card or any used up card and have a spare key.