| Type of Equipment | Required Specifications |
| Reference Oscillator | 10 MHz, 1×10-8 (e.g. 6688) for calibrating the standard TCXO oscillator 10 MHz, 1×10-9 (e.g. 6689) for calibrating Opt 30 & Opt 40 (OCXO) |
| Voltage Calibrator | DC -50 V to +50 V (e.g. Fluke 5500) for calibrating the built-in voltage reference, alternatively corresponding DC power supply + DVM with uncertainty <0.1 % |
| LF Synthesizer | Square/ Sine up to 10 MHz, 10 VRMS |
| Pulse Generator | 2 ns rise time, 5 V peak, >10 MHz, continuous & one-shot trigger |
| Oscilloscope | 1 GHz, <3% voltage uncertainty |
| RF Signal Generator | 0.1 to 3, 10, 15, 20, or 24 GHz dep. on RF input, <1dBm level uncertainty, 10 MHz ext.ref. |
| Power Splitter | 50 Ohm 6dB BNC |
| T-piece | BNC |
| Termination | 50 Ohm feed through BNC |
| Low-pass Filter | 50 kHz (for 1 MOhm) load |
| BNC Cables | Approx. 10 pcs of suitable lengths |