WiFi readers don't work, only Bluetooth. There is Bluetooth version of that reader, but it is probably the worst one you can buy. If you want a premium one you can buy OBDLink LX. But if you're happy to use a cheap Chinese faux ELM327 reader, then I'd buy this one:
Two Bluetooth devices at same time will work just fine! Currently no immediate plans to support the WiFi readers, but I might do it if enough people want this. You're the first one to request so far.
Not sure I'd put much priority on it aol. I got a OBDLink MX WiFi from the kickstarter project and found it to be very unreliable, their forums are full of the same experiences. I don't know if they have resolved any of it with firmware updates but I gave up and requested a swap for the OBDLink MX Bluetooth model which works well.
sti04, thank you for the heads up on that. I may support WiFi readers if there's a lot of demand, but currently isn't really. It seems users buy Bluetooth versions anyway, because they are cheaper and much easier to configure. Connecting devices through WiFi is a hack and it shows. I haven't got WiFi OBD-II readers, but connecting to my GoPro3+ annoys the heck out of me.
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http://www.ebay.it/itm/ELM327-SONDE-OBD-II-ELM327-BLUETOOTH-mini-ELM327-Vendeur-Pro-/221475642875?pt=LH_DefaultDomain_71&hash=item3390fa1dfb
It's much faster and more reliable.
Costs only 8 euros for a new reader
There will be updates for wifi connection?
Thanks again for your answer
can be a good choice?
... but as you live in different continent, money transfer costs and postages would destroy it.