Model - T111 Micronet Dual Digital Display (Multifunction). The Dual Digital Display shows two lines of data symultaneously. It can be configured at any time to display any information provided by your transmitters and transducers.Model - T121 Micronet Hull Transmitter. The Speed, Depth and Compass Transducers link to the Hull Transmitter which sends the information to the Micronet Displays by wireless link.Model - T910 Triducer. Combined Speed and Depth Transducer for use with the mn100 Micronet system. Supplied with through hull housing and blanking plug.