Model Number: UIYCA500AN6A60 Frequency Range: DC-6Hz Power:500W Attenuation Value:10~60dB Attenuation Tolerance: �±1.1dB VSWR:1.3 Connector Type: N-M N-F Impedance:50 omh High RF performance, ultra-competitive price. Military, space and commercial applications. Custom design available upon request. Guaranteed for one year standard.