It doesn't matter which one they go with. If I were you though, I would look at the 1142 than the 1040. I don't know how much longer the 1142 will be before they go EoS, but you can also use a 3502i or 2602i as autonomous. It will come to price. Performance wise, they will not see any difference. But if you review the data sheet, you will see what the little differences there are.
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