6 kHz frequency on the AT MAX strikes a useful balance between coin sensitivity and tolerance for trash

These are the sites where targets at depth are reachable with the right coil

The GFSK frequency modulation method maintains signal integrity in areas with heavy wireless traffic

forcing detectorists to cut hunts short

Pro-Power Sawtooth Digging Trowel equinox 800 6 kHz frequency on thePro Power Sawtooth Digging Trowel The Pro Power sawtooth digging trowel will outlast many high end trowels. It's a heavy duty tool that will work out well in most conditions at half the cost of the leading brand trowels. Thick gauge steel with a hard plastic grip handle. Makes a great tool that will last.