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But, it's like most of the "no-name" chinese products... no way to uniquely identify it (to determine if *any* information other than that eBay posting exists).
And, if you read the descriptions carefully, you notice lots of little omissions. E.g., where's the "RJ45" connection? Note that it is not apparent in any of the photos; and, the *probable* location of the electrical interface -- on the "USB interface" connector -- isn't confirmed anywhere (where does the "RJ45 adapter" plug in? where's the *USB* adapter? [actually, most similar devices seem to put the RJ45 *and* the USB connectors on the same "adapter"]
These sorts of little details don't inspire confidence :>