PMI Model No. DTA-1G18G-60-7-CD-1-HERM, 7-Bit Programmable Attenuator that operates over the frequency range of 1.0 to 18.0 GHz. Has a maximum insertion loss of 5 dB and a maximum VSWR of 2.0:1. Other specification include Mean Attenuation Range of 60 dB; Flatness of 20 dB: ±1.0 dB, Max., 40 dB: ±1.25 dB Max, and 60 dB: ±3.0 dB Max; Temperature Coefficient (Max.): ±0.02 dB/°C; Attenuation Accuracy of 0 to 20 dB: ±1.0 dB Max, 20 to 40 dB: ±1.5 dB Max, 40 to 60 dB: ±2.0 dB Max: Minimum Attenuation Step: 0.5 dB; Operating Power: +17 dBm CW; Survival Power: 1 W Average from -65°C to +25°C. This unit has SMA female connectors and a 15-Pin Micro-D female connector in a hermetically sealed housing measuring 2.00" x 2.79" x 0.66".