While Long Term Evolution (LTE) is part of the GSM path, it will be the only cellular technology going forward. It has been introduced in data form by most carriers and in widespread use by Verizon. Voice over LTE (VoLTE) will eventually handle your voice calls as well.
Full Definition of CONDUCTIVITY. : the quality or power of conducting or transmitting: as a: the reciprocal of electrical resistivity b: the quality of living matter responsible for the transmission of and progressive reaction to stimuli.
Thermal conductivity of gases, insulation products, aluminum, asphalt, brass, copper, steel and other common materials. Thermal conductivity is a material property describing the ability to conduct heat. Thermal conductivity can be defined as. the quantity of heat transmitted through a unit thickness of a material - in a direction normal to a surface of unit area - due to a unit temperature gradient under steady state conditions.