The GPZ 7000 has an extremely delicate discrimination perform that will help you to ignore trash products and focus on obtaining serious treasures. The MINELAB Gold Monster 1000 at 45kHz signifies the gold typical for sensitivity, while detectors close to 7-18kHz present you with a balance in between gold detection https://ava.ifsul.edu.br/reitoria/mod/forum/discuss.php?d=38239