Lot of 4 like shown, or make offer on other quantity Cleaning out the warehouse, condition unknown parts units Were originally part of a high end wireless mic system. see our other listings for sony wireless components We would guess that most probably work However we cannot test so selling as non working as is for parts. , NOTE one looks to be missing an RF connector (female SMA) SEE ALL PICTURES PLEASE and then you decide if you can use them ONLY WHAT IS SHOWN IS INCLUDED! All sold as is untested for parts only 7.7 oz ea