Check the listing for details. HP/Keysight 11722-6005 10dB attenuator, tested. Condition: Used. Listed at 21.00 USD. exact item shown, 10 dB attenuator made by both HP and Keysight, used in various instruments, analyzer shows 300Khz to 3 GHz, marker is at 1 GHz. there is no evidence of fall-off at 3 GHz. note to me: computer hutch right side, bamboo box Cross Reference | NSN 5985-01-310-4736Part NumberCage CodeManufacturer11722-600051LQK8KEYSIGHT TECHNOLOGIES, INC.11722-6000528480HEWLETT-PACKARD COMPANY DBA HEWLETT-PACKARD CO. OR HP Part NumberDEMILShelf LifeUOMNIIN11722-60005NoN/A1 EA013104736NSNNational Stock Number:5985-01-310-4736 5985013104736TXTDescription:Fixed AttenuatorINCItem Name Code:14224AAFSApplication Design:Transmission lineAAFZBody Material:MetalAAQLBody Style:Err-090ABHPOverall Length:1.500 inchesADAVOverall Diameter:0.500 inchesAHUCCoaxial Connector Series Designation:SmaAJDBPower Rating:1.0 watts averageAJDKRf Signal Attenuation In Decibels:10.0ASZNConnection Type Per Function:Female input and male outputAXGYMounting Method:ConnectorBBHSTerminal Type And Quantity:2 connectorBNGRFrequency Range:Between 100.000 kilohertz and 2.600 gigahertzZZZVFsc Application Data:Antennas, waveguides, and related equipment