I think that you mean WAN port, yes?

This is what you read, repeater has negative effect for wireless network speed and stability because one radio interface must receive and transmit signal in this same time. It generates delays and...

I think that wired connection will be better for cameras and network streaming. You must to know that repeater mode has negative effect for network speed and stability.

I don't know how coverage (distance) you need to embrace. Wireless coverage is sometimes like a lottery.

I said I don't know Netgear devices. This is TP-link forum and I'm tp-link expert :) You have to decide in this case. WDR4300 is typical wireless router without repeater functionality in original...

I recommend Gargoyle and WDR4300 of course. I don't know Netgear routers only use Netgear switches sometimes in my job.