@Hexulon
What's more, CPE210 uses a build-in directional antenna. The energy focus on the front. If you apply Bridge/Repeater mode, you adjust the device to face to AP(point A) and its back with weak signal take little effect to transmit data to point D.

@stupidbird, in the days I had to use 5210 & 7210 (never liked 7510, neither other brand) I found by mistake those 2 outdoor devices, spitted RF to the back, up to 50 mts. I don't have a 210 right now to check, how much signal leaks on 210s rear.
And to do what he wants, he won't place 210 on point C facing to A, he will have to angle, and the other matter, I have never seen any Tp-Link firmware that works 24/7 on repeating modes, that is a job for OpenWrt.
Seen so many crazy things in networking, that end up working, UBNT has the Rocket, similar to WBS from Tp-Link, people in the WISP business, in South America buy Rocket 2x2 (MIMO) device and place a omni 1X1 (SISO) Tp-Link antena and on the other connector they place a 5db antenna, crazy right, so don't be amazed in few days he posts thank you, link works great.

stupidbird wrote

@Hexulon
What's more, CPE210 uses a build-in directional antenna. The energy focus on the front. If you apply Bridge/Repeater mode, you adjust the device to face to AP(point A) and its back with weak signal take little effect to transmit data to point D.

I was thinking the same I've the feeling that is not gonna work, because of the directional antenna. In this scenario the best thing to do is to buy a fifth CPE.

I'm used to work with nanobrige and rocket m5 (omni) but this is a different scenario, this week we are going to connect the outdoors I'll post how it goes.

Hexulon wrote

I was thinking the same I've the feeling that is not gonna work, because of the directional antenna

It's not gonna work cause Repeater mode sucks
I read many post about the directional antenna, the antenna on 5210, 7210, PHAROS got zero of directional, PHAROS CPE210 has 65°H & 35°V, and 5210 has 60° & 30°, that has nothing of directional, directional would be 4° not 65°
stand on the side (90 angle) with a smartphone or tablet, and you will be amazed how far you are going to link, check the specs its a very wide angle on it, and in real life it's 40% more of whats listed

@ danymarc Directional means the antenna focus the energy in a narrow direction, either 60 degree H or 4 degree.
As we can see of the below image, the coverage in the back of device can be large, so in your case you can detect the signal up to 50mts.

@stupidbird,
The reason I posted that comment, is cause you posted this on #12

What's more, CPE210 uses a build-in directional antenna. The energy focus on the front.

And as you know its not just the front

danymarc wrote

@stupidbird,
The reason I posted that comment, is cause you posted this on #12
What's more, CPE210 uses a build-in directional antenna. The energy focus on the front.
And as you know its not just the front

:D Got it. You help to provide instance.