Internet servers; data processing equipment, namely, couplers; computer terminals; network routers of Long Range Wide Area Network (LoRaWAN) protocols; radio transmitters and receivers; wide area network (WAN) routers; wearable activity trackers; network communication devices; aerials; transmitters of electronic signals; materials for electricity mains, namely, wire connectors and electric cables; electrical transducers; integrated circuit modules; alarms; solar batteries