18-channel hub with 2 S.BUS inputs for receivers (for full redundancy), S.BUS output (for connecting, for example, an additional hub like the Dualsky S.HUB Mini) and the option for direct power supply from a Li-Po/Li-Fe 2S pack. The S.HUB Duo automatically detects and supports three types of protocols: Futaba S.Bus/S.Bus2, Jeti EX.Bus, and Spektrum SXRL. After connection and initialization, it adjusts to the last used protocol. In case of a connection loss, it automatically switches protocols and restores the connection. The device is suitable for large models with many control surfaces, such as glider replicas, aircraft replicas, gasoline-powered planes, and jets. Technical specifications: 2 S.BUS inputs (RX1 and RX2), when two receivers are connected, RX1 is the MASTER receiver, S.BUS output connection, 18 PWM output ports, power supply: 4.8-8.4V (power input on 18AWG cable with DC3-A connector for easy connection of Dualsky LiPo 2S pack and direct use of HV servos), possible power supply from 4.8V or 6.0V NiMH packs, switch port FSS-4 (switch included) or FSS-3, maximum continuous current load 20A (short-term 30A), LED for device status indication, weight: 35g, dimensions: 55.6 x 39.6 x 13.3 mm.