Standard Communications TVM-550 Monaural Audio Modulator

This listing is for one: Standard Communications Monaural Audio Modulator TVM-550. The unit offered for sale in this listing has been tested to Menu Response Functions the device was pulled and or removed from a professional working environment. In which the device has been used successfully overtime. Furthermore during the testing process no power faults or operating defects were found or identified no component failures were discovered the unit powered on visual display works great and is completely functional. the unit started normally but no other test have been performed on this unit but it's believed to function as intended and this unit is covered with our return policy.  Please share any questions and or concerns regarding the potential purchasing process of the listed item also please view the pictures of this item to best obtain the a clear idea of the visual condition of this unit.  Please be mindful carrier could potential be different from what's shown or declared in the listing info . USPS, FedEx an/or UPS maybe used.  Feel free to visit my eCRATER Store to view similar products. Please follow me and/or add me to your list of favorite sellers and visit often. Thank you for your business.