| 001 | Add IF switching circuitry | 
| 002 | Del step attenuators/bias tees | 
| 003 | Attenuators and bias networks | 
| 0D2 | Factory Refurbished Demo Equipment | 
| 1BN | Military Standard 45662A Calibration Certification | 
| 1BP | Military Standard 45662A Calibration with Test Data | 
| 908 | Rack Flange Kit for Use without Handles | 
| 910 | Additional operating and service manual | 
| 913 | Rack flange kit, front handles attached | 
| C15 | |
| H84 | Std lab cal at specified frequencies | 
| RMKT | Agilent Refurbished Product (Do Not Use - Certiprime Option) | 
| STD | Standard configuration |