The E5061B series of network analyzers from Keysight operate from 100 MHz to 1.5 GHz/3 GHz. They are optimized for testing simple RF passive components, such as Antenna/Coil/RFIDs, RF cables and filters. These two port analyzer are available with both 50 ohm and 75 ohm connectors. They can be used for transmission/reflection or S-parameter tests. The analyzers have a standard 3-years warranty and upgradable up to 5-years.