[ Batteries, electric; Cases for smartphones; Chargers for electric batteries; ] Communication hubs; Data processing equipment, namely, couplers; Electrical adapters; Ethernet switches; [ Eyeglasses; ] Fiber optic cables; [ Global positioning system (GPS); Radios; ] Transmitters of electronic signals; Transponders; [ Wearable activity trackers; ] Wires, electric; Apparatus for transmission of communication; Network routers; Single-channel radio communication machines and apparatus for fixed s...