Amplifier for wireless communications; Communication software to access data stored on an oximeter and transfer data to another device; Communications software for connecting computer network users; Digital switching systems comprised of interconnected electromechanical and solid-state power management enclosures with standard and custom keypads for user remote control, the foregoing for use on marine helms and land-based vehicle dashboards; Electronic and optical communications instruments and components, namely, cable television transmitters; Electronic and optical communications instruments and components, namely, digital transmitters; Electronic and optical communications instruments and components, namely, optical data links; Electronic and optical communications instruments and components, namely, optical receivers; Electronic and optical communications instruments and components, namely, optical transceivers; Electronic and optical communications instruments and components, namely, optical transmitters; Junction boxes; Optical apparatus and instruments, namely, optical ports for underwater photography, dome ports for underwater photography, wet diopters, adapter lenses for underwater photography; Optical fibers; Receivers of electronic signals; Reconfigurable processors for use in wireless communication handsets and network equipment in the field of wideband communications; Wireless communication devices for voice, data or image transmission