Millimeter-wave, Consulting & Design

Raytech FIDX-4049W00 Q/V-Band Waveguide Diplexer

The Raytech FIDX-4049W00 is a high-performance waveguide diplexer designed for Q/V-band satellite communication. It separates 37.3–42.2 GHz and 47–51.6 GHz bands with 70 dB isolation and 1.4:1 VSWR across all ports. Features WR-19 interfaces with UG-383/U flanges for exceptional reliability and low insertion loss.


WR-19 Diplexer for 37.3 - 42.2 & 47.0 - 51.6 GHz with minimum 70 dB Rejection.

Part Number: FIDX-4049W00

Raytech’s FIDX-4049W00 is a precision-engineered waveguide diplexer optimized for Q/V-band satellite communication systems. Designed to separate transmit and receive channels with outstanding electrical performance, it operates across 37.3–42.2 GHz and 47–51.6 GHz with exceptional 70 dB isolation between bands.

Each of the three ports maintains a 1.4:1 VSWR, ensuring minimal reflection and stable signal integrity even under demanding conditions. The unit features WR-19 interfaces with UG-383/U flanges, providing robust mechanical alignment and compatibility with standard Q/V-band systems.

Built for high-reliability SATCOM and test applications, the FIDX-4049W00 delivers consistent performance, low insertion loss, and superior channel separation—ideal for advanced ground station, payload, and backhaul architectures.

Key Features:

  • Low Loss & 70 dB Isolation

  • Ultra Compact

  • Low VSWR


Electrical Specifications:

  • Frequency Range 1: 37.3 - 42.2 GHz

  • Frequency Range 2: 47.0 - 51.6 GH

  • Passband Insertion Loss: 1.0 dB

  • Isolation: 70 dB

More Information:

Mechanical Specifications:

Download Datasheet
  • Waveguide: WR-19, UG-383/U

  • Size: 1.13” x 1.85” x 2.50”

  • Material: Aluminum

  • Finish: Chromate