GSM Antenna for Premium Bluetooth 5N0 and 3C8 (900/1800 MHz dual-band capability, CE compliant)
I installed GSM antenna for Premium Bluetooth under upper A pillar trim piece.
This is impossible to install this like Golf 6:
because there is not enough space in Polo 6R, so I did it a little differently. I installed the antenna in a plastic cover:
Price: 12 EUR