Adapters, WaveguidetoCoax,RightAngle ATM manufactures Waveguide to Coax Adapters the Ka-Band frequency range for the download band 18.3-20.2GHz and the upload band 27.5-31.0GHz. For more information feel free to call us and discuss your needs with one of our design engineers. GENERAL SPECIFICATIONS RECTANGULAR W/G TO COAX ADAPTERS Electrical VSWR: Standard Models: 1.21 Max Precision Models: 1.12 Max RF Connectors: K-Type, SMA available Mechanical Body: Aluminum/Copper-Brass (per order) Flanges: Multiple types available - see ATM Std. Flanges Operation Temp: Finish: Unique corrosion resistant 316 stainless steel epoxy coating IAW MIL-F-14072 Options Pressure seal Units: Units sealed to hold 10 psi. Add "-PT" to model number. example: P/N 51ka-251B-6 sealed becomes: 51ka-251B-6-PT Ka-Band W/G - Coax Adapters Downlink 18.3-20.2GHz, Uplink 27.5-31.0GHz WG Size Freq (GHz) Model No.* Coax Connector VSWR (Max.) Power CW Peak Power Theoretical Outline (Watts) (kW) I.L. (Max.)*** Drawing WR51 18.3 - 20.2 51ka-251B-6 SMA-female 1.21 50 3 0.29 Dwg WR51 18.3 - 20.2 51ka-25kB-6 Type K-Female 1.21 50 3 0.29 Dwg WR42 18.3 - 20.2 42ka-251B-6 SMA-female 1.21 50 3 0.32 Dwg WR42 18.3 - 20.2 42ka-25kB-6 Type K-Female 1.21 50 3 0.32 Dwg WR34 27.5 - 31.0 34ka-25KB-6 Type-K female 1.21 10 3 0.35 Dwg WR28 27.5 - 31.0 28ka-25KA-6 Type-K female 1.21 10 3 0.39 Dwg Ka-Band Precision W/G - Coax Adapters Downlink 18.3-20.2GHz, Uplink 27.5-31.0GHz WG Size Freq (GHz) Model No.* Coax Connector VSWR Power CW Peak Power Theoretical Outline (Max.) (Watts) (kW) I.L. (Max.)*** Drawing WR51 18.3 - 20.2 51ka-251PrB-6 SMA-female 1.12 50 3 0.29 Dwg WR51 18.3 - 20.2 51ka-25kPrB-6 Type K-Female 1.12 50 3 0.29 Dwg WR42 18.3 - 20.2 42ka-251PrB-6 SMA-female 1.12 50 3 0.32 Dwg WR42 18.3 - 20.2 42ka-25kPrB-6 Type K-Female 1.12 50 3 0.32 Dwg WR34 27.5 - 31.0 34ka-25KPrB-6 Type-K female 1.12 10 3 0.35 Dwg WR28 27.5 - 31.0 28ka-25KPrA-6 Type-K female 1.12 10 3 0.39 Dwg Ordering Information WR - Mod M -F 42ka -251 A -6 W/G - Coax Adapter, SMA Example part number: Waveguide Size: (WR) WR28 thru WR51 Basic Model No.: (-Mod) Precision model: (-ModPr) * The Standard Model Numbers above are the most common parts ordered for size, material and flange. However, these models can easily be altered to accommodate your needs by using the Model # code system to the le . ** All data given at 20° C and sea level. ***Insertion Loss for WG to coax adaptor is difficult to measure due to the very low loss and setup. The max