Mine only came with one. There was a blank "filler" in the unit and the SD Card was in the pacakage with the literature. That said, if the literature says that you should have two, I would call them and have them send it. They will be soaking you for software updates from this point forward. May as well keep them honest.
Carl - - Morrison, CO
Airworthiness cert issued 12/24
best X-mas present I could have hoped for!
paid 'til 10-19