| Model | Frequency Range | Attenuation Range | Attenuation Accuracy | VSWR （maximum） | Insertion Loss （maximum） |
| 50R-019 | DC-2200 MHz | 0-10 dB in 1 dB steps | +/- 0.2 dB DC-1000 MHz +/- 0.4 dB 1000-2200 MHz | 1.2:1 DC-1000 MHz 1.4:1 1000-2200 MHz | 0.2 dB DC-1000 MHz 0.4 dB 1000-2200 MHz |
