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>Thank you for the information. I will check out the article. I did try to use SDIO barcode scanner with a standard HP iPaq. It was customer's unit. I think the main problem was that the HP iPaq is not very durable (in an industrial environment). So I would prefer to have something with an integrated barcode scanner.
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>Again, thank you for your help.

Yes I agree that builtin is better. The range is a lot lower on SDIO barcode scanners.