The Echo is a handheld vector impedance and spectrum analyzer with FDR for measuring antennas, networks and cables. The Echo has the capability of providing digital measurements and graphical sweep displays of impedance, RF power gain or cable quality. The Echo's testing functionality combined with its 4.0 MHz to 1.0 GHz or 4.0 MHz to 2.5 GHz frequency ranges makes it a versatile tool for numerous service applications including :
