How to know the no. of bytes in a String Control Function?

Hi,
I would like to know the no. of bytes for a certain String Control Data.
For instance, if i have a String Length Function, on the left is a String Control and on the right is a Length Indicator.
If i will type coordinates, i.e. 9.25,4.25 on the String Control it will show 9 on the Length Indicator. I think 9 do not mean 9 bytes but
only a length. Is there any function in LV that will tell me the total bytes of the data on the string control?
Appreciate for any advise.
Thanks a lot.

Thanks tst for your kind reply.
Here is what i am trying to find/goal.
I will be using wireless receiver for my system. The wireless receiver have some signal strength ranges; 95dbm @ 1Mbps (mega bit per sec), 90dbm @ 11Mbps, 82 dbm @ 24 Mbps and 75dbm @ 54 Mbps. Ofcourse i prefer to have lower data transfer rate so that my signal strength is best.
I will be sending coordinate data/s via wireless communication using string controls. But i do not know how big/heavy is my coordinate data
If i can know how many bytes or mega bytes the data i want to send then i will be able to transfer it to bits or mega bits(8 bits = 1 byte) thus i will know which setting i can use for the wireless receiver. And if the data is too big then i have a basis to redesign my data transfer to suite a better signal strength.
Thanks for your help.

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