Bird 4421 RF Wattmeter with 4022 Directional Power Sensor

Bird 4421 RF Wattmeter with 4022 Directional Power Sensor. Power sensor handles 0.3-1000 Watts and covers 25-1000MHz. N female connectors on power sensor. Unit is in excellent condition. No manual or other accessories. Tested O.K. at 20 watts 151.625 MHz into 50 Ω load. Purchaser responsible for any calibration, certification and proper use. As shown.