As by-product during development of the D2X board the D2X USB dongle - 38285-2 Vera P174 V2X (SMA version) - was made available by Auvidea GmbH.
The D2X USB dongle consists of a uBlox Vera module soldered to the Vera RF board and a USB adapter board that connects to the RF board.
Antenna connection via SMA connectors.