Studio G D790U PCBA (850/1700/1900) Replacement PCBA for the Studio G: Model #: D790 Some images may be generic and not specific to the actual item. Item offered for sale is listed in product description below. Please see other listings for additional parts for this model. This part is not compatible with other models All parts warranted thirty (30) days from purchase for manufacturers defects only, subject to inspection. No tools are included