The 8712ES 300 kHz to 1.3 GHz RF Network Analyzer provides speed, accuracy, and automation features in a compact, integrated instrument for high-volume RF component testing. This S-parameter analyzer allows you to choose from the optimum level of performance versus price to meet your measurement needs. The frequency range is 300kHz to 1.3GHz with a resolution of 1Hz. The impedance is 50 ohms.