Bendix – Microwave Devices 711N-N, ( 25MHz-1GHz, 30-300W ! )
$300
Professional FM/CW Wattmeter for all VHF/UHF use. Ex-Avionics.
Accurate measurements 25MHz – 1GHz, in 30, 75, and 300W settings. No removable slugs are required, as they’re already in the coupler. Correction chart is shown in the older 711N manual, provided in this sale.
Parts are available in future, this wattmeter comes with a one-year warranty from me, which will exclude future physical damage or a wrong power setting from you.