The Telekom D1 334 (Type: 863/01) was an operator-branded variant of the iconic
Orbitel 901. This phone is a hugely significant device in the history of GSM networks as it was the first phone approved for use on GSM networks. The Orbitel 901 was also the first phone in the be able to receive an SMS text message.
For more details on the device, please see the entry relating to the
Orbitel 901.