OKM Antennas Series 1 and 2 is an advanced underground detection system developed by Ojo Radar Tech. The system operating with low power spectrum frequencies can perform effective detection without harming human health. With 4 different mode options (Gold, Silver, Bronze, Void) and 2000 meter range capacity, it offers an ideal solution for professional users. It provides long-term use capability with 32-bit processor and replaceable battery features.