INTERDIGITAL

wireless digital telecommunications equipment, namely [radiotelephones,] radio modulators and demodulators; radio correlators; synchronization systems for wireless digital communication [radiotelephone accessories, namely batteries, microphones, and speakers;] and wireless digital radio communication systems comprising base stations, radio transmitters, radio receivers, switches, handsets, antennas, wiring, computer processors, and computer subscriber stations, and software for operating the foregoing equipment