| 478A-910 | English language operating manual, printed |
| 478A-ABA | English language user guide; printed |
| 478A-H13 | Freq range 100KHz to 1GHz, max SWR 1.8 to 300KHz, 1.3 to 1GHz, std lab cal at 13 freqs |
| 478A-H55 | Freq range 1MHz to 1GHz, max SWR 1.3 |
| 478A-H63 | Freq range 100kHz to 1GHz, max SWR 1.8 to 300kHz, 1.3 to 1GHz |
| 478A-H72 | Freq range 1MHz to 1GHz, max SWR 1.2 |
| 478A-H73 | Freq range 1MHz to 100MHz, max SWR 1.1 except 1.05 at 50MHz |
| 478A-H75 | Freq range 1MHz to 1GHz, max SWR 1.3 except 1.05 at 50MHz |
| 478A-H76 | Freq range 1MHz to 1GHz, max SWR 1.3 except 1.05 at 50MHz. Std lab cal at 50MHz |
| 478A-H83 | 1MHz to 1GHz, SWR 1.05 at 50MHz. Std lab cal 1, 3, 10, 30, 50, 100, 300, 1000 MHz |
| 478A-H93 | Freq range 1MHz to 1GHz, max SWR 1.3 except 1.05 at 50MHz. Std lab cal at 50MHz and 100MHz |
请与是德联系，了解选项定价。
| R-50C-011-3 | Calibration Plan - Return to Keysight - 3 years |
| R-50C-011-5 | Calibration Plan - Return to Keysight - 5 years |
| R-50C-021-3 | ANSI Z540-1-1994 Calibration - 3 years |
| R-50C-021-5 | ANSI Z540-1-1994 Calibration - 5 years |
| R-51B-001-5Z | Extended Warranty - Return to Keysight - 5 years |
请与是德联系，了解选项定价。
