Radio Transmission System, Star Topology, Node (FlexPower), Operating voltage 3.6…5.5 VDC, Max. range 3200000 mm, External antenna (RG58 RP-SMA connection), Integrated signal strength indicator, Configuration via DIP switch, Deterministic data transfer, Frequency hopping FHSS, Time Division Multiplex Access TDMA, Transmission power: 63 mW, 18 dBm conducted, ≤ 20 dBm EIRP, External battery supply or 10…30VDC, Inputs, up to 12 x NPN, Outputs, up to 12 x NMOS, Max. 12 inputs and outputs