In the past the 900 MHz spectrum was exclusively used for GSM. Following the refarming decision of August 2014 the spectrum can be used for UMTS and LTE.
The following figure shows the usage rights in the 900 MHz band taking into account the usage rights starting with 01.01.2016/18 (granted in the multiband auction 2013, agreed between operators on November 01, 2015 instead of January 01, 2015) as well as refarming and frequency trading between Drei/A1 TA and Drei/TMA:
The 900 MHz band consists of former for GSM dedicated frequency range (P-GSM) and E-GSM-range which has been made available later.
Last update: November 02, 2015