| Model | Low end frequency limit | High end frequency limit
| Resolution Bandwidth Min.
| Resolution Bandwidth Max.
| Amplitude Range
|
| MS2651B | 9 kHz | 3 GHz | 1 kHz | 5 MHz | -110 dBm |
MS2668C | 9 kHz | 40 GHz | 1 kHz | 3 MHz | to +30 dBm | MS2665C | 9 kHz | 22 GHz | 1 kHz | 3 MHz | to +30 dBm | MS2663C | 9 kHz | 9 GHz | 1 kHz | 3 MHz | to +30 dBm | MS2667C | 9 kHz | 31 GHz | 1 kHz | 3 MHz | to +30 dBm | MS2661B | 9 kHz | 3 GHz | 1 kHz | 5 MHz | -115 dBm | MS2661C | 9 kHz | 3 GHz | 1 kHz | 3 MHz | to +30 dBm | MS2681A | 9 kHz | 3 GHz | 300 Hz | 20 MHz | to +30 dBm | MS2683A | 9 kHz | 8 GHz | 300 Hz | 20 MHz | to +30 dBm | MS2687B | 9 kHz | 31 GHz | 300 Hz | 20 MHz | Average noise level: -146 dBm/Hz | MS2711A | 100 kHz | 3 GHz | 10 kHz | 1 MHz | -115 bBm | MS2711B | 100 kHz | 3 GHz | 10 kHz | 1 MHz | -115 dBm to +20 dBm | MS2711D | 100 kHz | 3 GHz | 100 Hz | 1 MHz | -135 dBm to +20 | MS2721A | 100 kHz | 8 GHz | 10 Hz | 3 MHz | DANL to +30 dBm | MS2781A | 100 kHz | 8 GHz | 100 mHz | 8 MHz | DANL : 10 MHz to 2.5 GHz: <–147 dBm; 2.5 GHz to 7 GHz: <–145 dBm; 7 GHz to 8 GHz: <–143 dBm |