Electrical adapters; Radio frequency (RF) amplifiers; Antennas for wireless communications apparatus; Electrical signal attenuators; Coaxial cables; Fiber optic cables; Circulators in the nature of electronic components; Electrical connectors; Electronic components in the nature of direct current (DC) blocking capacitors; Phase shifters for changing the transmission phase angle of an input signal electronically; Apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling the distribution or use of electricity; Electronic components in the nature of electronic phase trimmers; Electronic components in the nature of electronic phase shifters; Electronic components in the nature of electronic isolators; Electronic components in the nature of bias tees for radio frequency applications; Electrical terminators; Electronic components in the nature of electrical loads; Electronic components in the nature of electronic test and measurement equipment; Waveguides for high power beam delivery