| Model number | Frequency | RBW | Noise Level (dBm) |
| MS2681A Spectrum Analyzer | 9 kHz-3GHz | 1 Hz-20 MHz | Down to -148.3 dBm (option and frequency dependent) |
| MS2683A Spectrum Analyzer | 9 kHz-7.8 GHz | 1 Hz-20 MHz | Down to -146.5 dBm (option and frequency dependent) |
| MS2687B Spectrum Analyzer | 9 kHz-30 GHz | 1 Hz-20 MHz | Down to -146.5 dBm (option and frequency dependent) |
| MS2690A / MS2691A / MS2692A Signal Analyzers | 50 Hz to 6.0 GHz (MS2690A), 50 Hz to 13.5 GHz (MS2691A), 50 Hz to 26.5 GHz (MS2692A) | 1 Hz to 1 MHz (1-3 sequence) | -152 dBm/Hz @ 30 MHz - 2.4 GHz |
| MS2711D Spectrum Master - Handheld Spectrum Analyzer | 100 kHz - 3 GHz | 100 Hz - 1 MHz | -135 dBm |
| MS2712E Spectrum Master Compact Handheld Spectrum Analyzer | 100 kHz to 4 GHz | 10 Hz to 3 MHz | - 162 dBm (normalized to 1 Hz) |
| MS2713E Spectrum Master Compact Handheld Spectrum Analyzer | 100 kHz to 6 GHz | 10 Hz to 3 MHz | - 162 dBm (normalized to 1 Hz) |
| MS2717B Economy Microwave Spectrum Analyzer | 9 kHz to 7.1 GHz | 1 Hz to 3 MHz | - 163 dBm Typical @ 1 GHz in 1 Hz RBW |
| MS2718B Economy Microwave Spectrum Analyzer | 9 kHz to 13 GHz | 1 Hz to 3 MHz | - 156 dBm @ 1 GHz, 1 Hz RBW
- 139 dBm @ 3 GHz, 1 Hz RBW |
| MS2719B Economy Microwave Spectrum Analyzer | 9 kHz to 20 GHz | 1 Hz to 3 MHz | - 156 dBm @ 1 GHz, 1 Hz RBW
- 136 dBm @ 18 GHz, 1 Hz RBW |
| MS2721B Spectrum Master | 9 kHz - 7.1 GHz | 1 Hz to 3 MHz | - 163 dBm Typical @ 1 GHz in 1 Hz RBW |
| MS2723B Spectrum Master | 9 kHz - 13 GHz | 1 Hz to 3 MHz | - 156 dBm @ 1 GHz, 1 Hz RBW
- 139 dBm @ 3 GHz, 1 Hz RBW |
| MS2724B Spectrum Master | 9 kHz - 20 GHz | 1 Hz to 3 MHz | - 156 dBm @ 1 GHz, 1 Hz RBW
- 136 dBm @ 18 GHz, 1 Hz RBW |
| MS8608A Digital Mobile Radio Transmitter Tester | 9 kHz-7.8 GHz | 1 Hz-20 MHz | Down to -146.5 dBm (option and frequency dependent) |
| MS8609A Digital Mobile Radio Transmitter Tester | 9 kHz-13.2 GHz | 1 Hz-20 MHz | Down to -146.5 dBm (option and frequency dependent) |