Bear in mind, you'd need your hunting buddy to be ARO to legally benefit from a pair of ARO-only transceivers. Not SO practical, really.
Why not go for something like this here? https://www.jaycar.co.nz/5w-uhf-hand...utm_medium=web
The 20km range is optimistic, with line-of-sight open, but even half or third that range in bush should be fine.
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