▪ This device can communicate wirelessly instead of cable.
▪ It can be applied when cable installation cost is expensive or it is difficult to install cable.
▪ It consists of a dongle that sends signals and a gateway that receives signals.

▪ One gateway can receive up to 20 dongle signals.
▪ Small and light weight. Easy to carry. Small installation space.
▪ Wireless communication is possible up to 1 km when there are no obstacles.