Key Specifications, Design: Fixed, Maximum Frequency: 18 GHz, Impedance: 50 Ohm, Power Maximum: 25 Watt, VSWR Maximum: 1.6:1, Attenuation: 40 dB, Connector Series 1: TNC, Connector Gender 1: Male, Connector Series 2: TNC, Connector Gender 2: Female, Body Material: Black Anodized Aluminum Heatsink. 40 dB Fixed Attenuator, TNC Male to TNC Female Black Anodized Aluminum Heatsink Body Rated to 25 Watts Up to 18 GHz. PE7375-40 is a fixed 40 dB attenuator from Pasternack. This 40dB 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 male gender on side 1 and a TNC female connector on side 2. The Pasternack PE7375-40 40 dB attenuator is rated for up to 18 GHz. Our microwave attenuator is rated to 25 Watts at the stated attenuation value. Our fixed RF attenuator PE7375-40 is shipped same-day as purchased from Pasternack's production facility certified to ISO 9001:2015. This 40dB attenuator is part of over 40,000 RF, microwave and millimeter wave products that ship the same day worldwide, including custom cable assemblies.