| Gray spectrum analyzer backpack |  |
 | 044 | Yellow spectrum analyzer backpack |  |
 | 0B0 | Do not include manual set |  |
 | 0B1 | English manual set |  |
 | 0BV | Service documentation, component level |  |
 | 0BW | Service documentation, assembly level |  |
 | 1AX | RS-232 and Centronics interface |  |
 | 1CP | Rackmount and handle kit |  |
 | 1D5 | High stability frequency reference |  |
 | 1D6 | Time-gated spectrum analysis |  |
 | 1D7 | 50 -75 ohm minimum loss pad(s) |  |
 | 1DN | 50 Ohm Tracking generator |  |
 | 230 | BenchLink web remote control software |  |
 | 545 | Standard frequency reference |  |
 | A4H | GPIB and Centronics interface |  |
 | A4J | IF and sweep ports |  |
 | A5D | 12 Vdc power cable |  |
 | AXT | Add transit case |  |
 | AYT | Gray soft carrying/operating case |  |
 | AYU | Yellow soft carrying/operating case |  |
 | AYX | Fast time-domain sweep |  |
 | B70 | BenchLink spectrum analyzer S/W |  |
 | CST | Custom configuration |  |
 | RMKT | Agilent Refurbished Product |  |
 | STD | Standard analyzer (1D5, AYX, UKB) |  |
 | STG | Standard analyzer with tracking generator (1D5, 1DN, AYX, UKB) |  |
 | UK6 | Commercial cal. Certificate w/test data |  |
 | UK9 | Front panel cover |  |
 | UKB | 100 Hz low frequency extension |