Yeah ive seen this alot with car chargers, wifi only, strange really in my opinion considering its a static device, they dont move around.
Had a mate do the same, ran ethernet and hooked up an outside Unifi AP for his.
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BT900 | Nokia ONT | Ubiquiti ER-X | EETV Box Pro (IP Mode) | Unifi CK2 | 6x Unifi U6+ | 2x Unifi SAK Ultra