Model  |  Frequency Range  | 
MS2024B  | Vector Network Analyzer, 500 kHz to 4 GHz  | 
MS2025B  | Vector Network Analyzer, 500 kHz to 6 GHz   | 
MS2034B  | Vector Network Analyzer, 500 kHz to 4 GHz and Spectrum Analyzer, 9 kHz to 4 GHz  | 
MS2035B  | Vector Network Analyzer, 500 kHz to 6 GHz and Spectrum Analyzer, 9 kHz to 6 GHz  |