Liquid/Air (Oil) Load, 500 W Max, N (F) ConnectorSeveral models of these loads are available to cover CW power ranges of 600 and 1000 watts over a frequency range of DC to 1.0 GHz. At a characteristic impedance of 50-Ohms, the VSWR does not exceed 1.10 to 1. They can be used to terminate AM, FM, TV, CW or Pulse transmissions in 50-ohm coaxial transmission line systems.All models are available with optional thermal overload switches to interface with interlock or other warning circuits.Your confidence in the quality and dependability of the 84000 Series Liquid/Air Cooled RF Coaxial Loads is assured with the Coaxial Dynamics Two Year Limited Warranty. Continuous Full-Rated Power Low Maintenance & High Reliability Handles Both Analog & Digital Signals Two Year Limited Warranty*Please note that the two models that are photod above are not the model noted on this page.