| Model | Instrument Type | Low end frequency limit | High end frequency limit | Output Power Range | Input Noise Level |
| R3765CG | Vector, S-Parameter | 300.00 kHz | 3.80 GHz | 100 dB | -90 dB (40 MHz to 3.8 GHz) RBW 3 kHz; |
R3767CG | Vector, S-Parameter | 300.00 kHz | 8.00 GHz | 100 dB | -90 dB (3.8 GHz to 8.0 GHz) RBW 300 Hz; | R3754B | Vector | 10.00 kHz | 150.00 MHz | 127 dB | -102 dBm at IRBW 10 kHz 200 kHz to 500 kHz | R3754A | Vector | 10.00 kHz | 150.00 MHz | 127 dB | -102 dBm at IRBW 10 kHz 200 kHz to 500 kHz |