The FXR Microlab Type X410A is a precision RF microwave frequency meter designed for high-accuracy performance. This unit is specifically engineered for WR-90 waveguide applications, covering a frequency range of 8.2 to 12.4 GHz. It serves as a reliable instrument for microwave laboratory measurements and calibration tasks. This item is in used condition. The construction reflects the precision engineering associated with FXR Microlab components, featuring a durable build suitable for professional electronic test and measurement environments. All controls and mechanical components are intact and operate according to their design specifications. This X410A frequency meter is a standard choice for engineers and technicians working with X-band microwave systems. It provides the necessary resolution and stability for demanding RF applications, making it a functional addition to any microwave test bench.