Semitech Semiconductor is a fabless semiconductor company that develops wireless and power line communications (PLC) devices for Smart Grid. Transportation and Industrial IoT applications​. Semitech's devices are used in smart meters, solar systems, street light controllers, tractor/trailer communication and other industrial applications to implement "no new wires"​ connected systems utilizing existing power lines that are significantly more reliable and flexible than existing approaches, while retaining cost and power advantages. Semitech Semiconductor operates in California and in Melbourne, Australia.