Just thought id share the wireless system I've been using successfully for a while now on my gpx4500.  My previous wireless system suffered from broken wires and finally one of the units gave up the ghost. I didn't want the Garrett Z-Lynk or the Pro Sonic so did research into other units. I wasn't sure they would work but fortunately, they did. Was looking for something robust and small that could handle the beating my equipment gets from detecting hilly thick scrub. Did a lot of research a