Manufacturer: Huf
Manufacturer part number: RDE011
Frequency: 433 mhz
OEM part number (s) coverage: 95836166100, 7P0907275, 4F0907275D, 4F0907275, 4F0907275B, 7PP907275F, 95560602100, 7PP907275D, 99760602120, 7PP907275B, 228887, 239298, 282189, 248887, 7PP907275
TPMS Relearn website: http://www.tpmsrelearn.com/2016/12/05/porsche-1/
The TPMS sensor that is used in 2011 Porsche 911 is the Huf RDE001. The valve stem is made of aluminum and silver in color.
The valve stem can be removed and replaced with a black or gunmetal colored valve stem.
Huf RDE fits the following Porsche 911 in 2011: Boxster, Cayman,
You can purchase the sensor here:
With silver valve stem: https://www.tpms.com/Audi_Porsche_Volkswagen_Mclaren_TPMS_4F0907275_p/h0011.htm
With Black valve stem: https://www.tpms.com/Huf_Beru_RDV001_Black_36111095375_p/rdv001b.htm
With Gunmetal valve stem: https://www.tpms.com/Huf_Beru_RDV001_Gunmetal_36111095375_4D0601361_p/rdv001g.htm