The Jeti Duplex system allows a number of telemetric sensors to be connected to any of the Duplex receivers. The data from each sensor is sent back to the transmitter wirelessly when the system is active and can be viewed on the screen of the Jeti Box by connecting the Jeti Box to the transmitter module.
Every Jeti Duplex receiver supports one of these sensors out-of-the-box. For additional sensors, use the Expander E4, which connects to the receiver data port and allows a total of 4 sensors to be used simultaneously by connecting them through the Expander.