Hi Ashad, we will try to get that info for you. Have you already downloaded and review the FCC and CE certification documents that we have posted on our Github site https://github.com/OnionIoT/Onion-Docs/tree/master/Omega2/Certification?
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RE: Tune-up tolerance value of Omega 2
RE: Adding multiple Ethernet Ports
@ccs-hello You can now purchase quantity of 1 at Mouser, as well as our Development Kits, which include one of two dev boards (either with eMMC or SD Card) and 4 modules, cables, and antenna. https://www.mouser.com/Search/Refine.aspx?Keyword=omega2s
RE: PowerDock 2 very unstable
@Nick-B that's very unusual. I assume you've swapped the batteries and the Omega2's if you have 2 sets? If that is the case then you've ruled out the battery and the Omega2, so it must be a damaged Power Dock 2? Did you try all of those combinations?