ITEM NAME:Multiprotocol TX Module For X9D X9D Plus X12S Transmitter Remote Controller: Gw.Optimal system is Opentx/ER9X. 1X Multiprotocol TX Module. Creat a model in OpenTX using external module in PPM mode, 12 channels aNd AETR sequence order. Power up quad. While holding the appropriate stick pattern listed below, power up Taranis.