BGH1 GenLock rate vs. FrameRate


I'm anxiously awaiting the arrival of a number of BGH1's and I will be setting them up as a GenLocked array. I have a couple of questions.

Of the generators I've been able to find all of them top out at 1080i59.94 and/or 1080i60. The specific one I'm looking at is the BlackMagic W-CONM-15 Sync Generator.

Will I be able to record in 4K59.94p using the 1080i sync output of the above generator? Or would I need a generator capable of 1080p?

Also, are there any guidelines for maximum length of a GenLock sync cable? I'm trying to cover a sports field with an array of 10 to 20 cameras. Is it better to do a home run for all cameras, or use a different topology?

I'm a bit of a newbie at this, so please let me know if there is anything I'm misunderstanding.

Thank you,

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