Key Specifications, Design: Fixed, Maximum Frequency: 18 GHz, Impedance: 50 Ohm, Power Maximum: 50 Watt, VSWR Maximum: 1.6:1, Attenuation: 20 dB, Connector Series 1: TNC, Connector Gender 1: Female, Connector Series 2: TNC, Connector Gender 2: Female, Body Material: Black Anodized Aluminum Heatsink. 20 dB Fixed Attenuator, TNC Female To TNC Female Directional Black Anodized Aluminum Heatsink Body Rated To 50 Watts Up To 18 GHz. PE7351-20 is a fixed 20 dB attenuator from Pasternack. This 20dB attenuator is an in-line, resistive PI attenuator pad design. Our coaxial 50 Ohm attenuator is manufactured to precise RF / microwave industry specifications. This TNC attenuator has a female gender on side 1 and a TNC female connector on side 2. The Pasternack PE7351-20 20 dB attenuator is rated for up to 18 GHz. Our microwave attenuator is rated to 50 Watts at the stated attenuation value. Our fixed RF attenuator PE7351-20 is shipped same-day as purchased from Pasternack's production facility certified to ISO 9001:2015. This 20dB attenuator is part of over 40,000 RF, microwave and millimeter wave products that ship the same day worldwide, including custom cable assemblies.