| R281B | メーカー名:HP/AGILENT/KEYSIGHT | WR28 x 2.4mm(m) Adapter, 1.13 VSWR | 中古 | 5 | ¥173,600 | |
| R281A | メーカー名:HP/AGILENT/KEYSIGHT | WR28 x 2.4mm(f) Adapter, 1.13 VSWR | 中古 | 10 | ¥173,600 | |
| R11644A | メーカー名:HP/AGILENT/KEYSIGHT | WR28 Calibration Kit, for Agilent network analyzers | 中古 | 1 | ¥810,000 | |
| 83572-60071 | メーカー名:HP/AGILENT/KEYSIGHT | WR28 Directional Coupler, 10 dB coupling (same as R752C) | 中古 | 1 | ¥115,800 | |
| 83554A | メーカー名:HP/AGILENT/KEYSIGHT | WR28 Source Module, +8 dBm levelled, for HP sources | 中古 | 1 | ¥451,300 | |
| 11974A | メーカー名:HP/AGILENT/KEYSIGHT | WR28 Preselected Mixer, 26.5-40 GHz, for HP spectrum analyzers, with power supply | 中古 | 1 | ¥346,000 | |
| 11970A | メーカー名:HP/AGILENT/KEYSIGHT | WR28 Harmonic Mixer, 26.5-40 GHz, for use with Keysight analyzers | 中古 | 5 | ¥114,600 | |
| 11664D | メーカー名:HP/AGILENT/KEYSIGHT | WR28 Detector, for HP 8755/6/7 series scalar network analyzer | 中古 | 1 | ¥137,700 | |
| 11517A/19A/20A | メーカー名:HP/AGILENT/KEYSIGHT | Waveguide Mixer Set, 18.0-40.0 GHz coverage, for HP 8555A, 8565A | 中古 | 2 | ¥86,800 | |