4RF LIMITED

Microwave radio systems, digital radio systems, point-to-point radio systems and wireless radio systems, all comprising radios, mobile radios, radio transmitters, radio receivers, [ antennas, ] amplifiers, electrical and power wires, cable and electrical connectors, signal processors, converters, digital filters to protect against channel interference, integrated circuits, embedded micro cross-connect switches, telecommunication switches, modems, and communications software for configuring radio frequencies and transporting and configuring analog, data and Ethernet traffic, all for use in utility communication infrastructures for transmitting data, long-distance linking, supporting legacy networks, assigning bandwidth, increasing spectrum efficiency, reducing channel interference, limiting power consumption and configuring Ethernet, data and voice interfaces

Communication and telecommunications equipment, apparatus and systems, namely, point to point and point to multipoint radios, multiplexes, hubs, routers, switches and modems [ ; telephone equipment, apparatus and systems, namely, wireless telephones, telephones; application software for configuring communication apparatus and operating software for communication apparatus; signal conduits, namely, electric cables and optical fibers; replacement parts for all the aforesaid goods ]