Scientific Atlanta 14-7-2 Coaxial Crystal Mixer 2.0-4.0GHz, 26.5-40GHz - Fair 156593136866 we are unable to test

we are unable to test further

Includes Card Module as pictured

The button on the unit does not stay engaged when pushed

Manufacturer Tektronix Model Number AWG710 SKU 19-62998 Ref 23-89499

Manufacturer ELAC Model Number Sub 2030 SKU 19-79073 Ref 23-114192

Scientific Atlanta 14-7-2 Coaxial Crystal Mixer 2.0-4.0GHz, 26.5-40GHz - Fair 156593136866 we are unable to testCondition Used Description Item was recently removed from working service and is in excellent working order. Item will come with a 30 Day Warranty. Cosmetically in fair condition showing moderate to heavier scuffs scratches blemishes from previous use. The paint is chipping and there's corrosion oxidation. Includes Coaxial Crystal Mixer as pictured. No additional items or accessories are included. Unless pictured, no power adapter power cable