Sony Rf Unit Ezw - Rt10A//C Part # A-1663-610-A Type - Rf Unit Ezw-Rt10A&#47;&#47;C&#40;A&#41;&#40;Uc&#41;. Dimensions - 3 x 1 x 3 in. Item Weight - 0.07 lbs. Package Quantity: 1 Excellent Quality.