The MInelab GPX 4800 was released at the same time as the GPX 5000. The Minelab 4800 was intended as the next release after the GPX 4500, but before it was released Minelab came up with a couple new refinements different enough to warrant yet another model, the GPX 5000. The 4800 therefore became a sort of "non-model" as most dealers and users focused on the GPX 5000 as the new top-of-the line detector. Most dealers do not stock the GPX 4800 and it may as well not exist for all the attention it