exact item shown, NARDA 6dB 2W attenuator, DC-18 GHz, all are tested, see plots, all are in spec, all but two are lot 9309, the 2 are lot 9310, so these will be very consistent. That lot number may be a date code, not sure.
note to me: bin 9A
| Product Category: | Attenuator Fixed |
| Attenuation (Deviation 12.4-18 GHz) | +/- 0.3 dB |
| Attenuation (Deviation DC-12.4 GHz) | +/- 0.3 dB |
| Attenuation (Nominal) | 6 dB |
| Power Input (Max Avg.) | 2.0 W |
| Power Input (Max Peak) | 0.2 kW |
| Frequency Range | DC-18 GHz |
| Frequency Min. | 0 MHz |
| Frequency Max. | 18000 MHz |
| Maximum Weight | 14 grams |
| Maximum Weight | 0.5 oz. |
| VSWR (max.) 12.4-18 GHz | 1.35:1 |
| VSWR (max.) 4-12.4 GHz | 1.25:1 |
| VSWR (max.) DC-4 GHz | 1.15:1 |