Choosing the perfect nRF24l01 address

So I have seen people online use what I think are 5bit addresses, just like in Robin2's Simple 2.4ghz Transceiver Demo. He uses an array with 5 elements

According to this site a 40 bit address should be implemented.

But how can I do this? When I initialize the address, do I just put some 40 letter phrase and/or a 40 character hex thing

Like
"0x1234567890ABCDEFDEADBEEF87654321"
That's 40 characters

JeromeAriola:
So I have seen people online use what I think are 5bit addresses, just like in Robin2’s Simple 2.4ghz Transceiver Demo. He uses an array with 5 elements

According to this site a 40 bit address should be implemented.

And how many bits are there in 5 chars?

Since all these questions are about your usage of the nRF24 how about just sticking with a single Thread?

…R

I do know that in computer word processing, a letter is 8 bits which is 1 byte. That being said, a char should then have the same size.

I didnt know this applied to programming... Thanks

Also, I found out that clones work well when the PA level is set to MIN. I tested them across my lab (about 10-12 metres) and I had minimal packet loss.

I assume at full power and their own power supply, they can easily reach pretty far. Maybe 400m?