What is aerial socket in S Class glove box for?

[Shipmate60]

As above U was looking at an S class and in the boot was a 2 prong aerial. This fitted in a socket in the glove box but no-one can tell me what it is for?
Do you clever chaps have an answer?

 

[mioba]

could be aftermarket digital tv tuner or dab radio.
Is there something connected to the aux input of command - flick through the command options.

What model S class is it

 

[Shipmate60]

Not 100 per cent sure as I walked away when no-one knew about it.
It was a 2012 model if that is any help

 

[mioba]

I would not walk away from the correct car because of that, then if you walked away the question is no longer relevant right.

 

[SL63 Mark]

Maybe it's a tracker so the previous owner could check where the chauffeur was