Telecommunications equipment, namely, terminal adapters with integrated routers that allow for high-performance voice services in the home over fixed broadband connections (for example, via cable modem or DSL) using Unlicensed Mobile Access (UMA) technology

Electric audio equipment, namely, microphones

Controller and amplifier for outdoor electronic sirens; comprised of a control board, amplifiers and power supply

electric and digital sound equipment for home and professional use, namely, electronic equalizers and automatic acoustical feedback controllers

Custom manufacturing of prosthetics