VNA Model Number  | Name  | Specifications  | Connectors  | 
VectorStar MS4640A Series Microwave Vector Network Analyzers (VNA)  | |||
MS4642A  | Microwave Vector Network Analyzer  | 10 MHz to 20 GHz  | K (m) Connector Test Ports  | 
MS4644A  | Microwave Vector Network Analyzer  | 10 MHz to 40 GHz  | K (m) Connector Test Ports  | 
MS4645A  | Microwave Vector Network Analyzer  | 10 MHz to 50 GHz  | V (m) Connector Test Ports  | 
MS4647A  | Microwave Vector Network Analyzer  | 10 MHz to 70 GHz  | V (m) Connector Test Ports  |