I bought these because it was the best deal I could find in a pack of 10 from USA (cheaper can be found if you are willing to wait a few weeks for delivery from China, but I was impatient). They are almost the same as all available nrf24l01+ clones. They're built on a slightly thicker circuit board than the others, so they seem a little more durable, although that's probably not very beneficial as it would be difficult to apply enough force to break them with regular use.
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