dB(isotropic) – the forward gain of an antenna compared with the hypothetical isotropic antenna, which uniformly distributes energy in all directions. Linear polarization of the EM field is assumed unless noted otherwise. Related CoursesRelated CoursesRelated Courses SP6000Understanding the RF PathMore Info SP6550In-Building RF Wireless FundamentalsMore Info SP4420Fiber Optic Infrastructure SpecialistMore Info