For sale 1pcs JFW MODEL 50P-599 RELAY PROGRAMMABLE ATTENUATOR DC-1300 MHz Attenuator comes from a working device, but has not been tested. GENERAL SPECIFICATIONS: Frequency Range: DC-1300 MHz Impedance: 50 Ohms nominal Attenuation Range: 0-127 dB in 1 dB steps Attenuation Steps: 1, 2, 4, 8, 16, 32, and 64 dB VSWR: 1.5:1 maximum Attenuation Accuracy: ± .3 dB or 2% per individual pad Accumulated error