Computer cables; Computer apparatus, namely, a converter that superimposes an Ethernet signal on an existing cable; Couplings, electric; Electronic door alarms; External computer hard drives; Smoke alarms; Broadband wireless equipment, namely, telecommunications base station equipment for cellular and fixed networking and communications applications; Computer network adapters, switches, routers and hubs; Computer network hubs, switches and routers; Data processing equipment, namely, couplers;...