The Kirisun TP660U DMR UHF 400-470 MHz HT provides superior audio quality, versatile functionality, durability and flexibility to solve problems confronted in harsh environments. It meets the rugged IP67 and MIL-810C/D/E/F/G standard. Two-time slot transmission design reduces transmit time in half and thus increases the longevity of the supplied KB-78B Li-ion 2000 mAh battery. It provides up to 14 continuous working hours in analog mode and 16 hours in digital mode. Power is selectable at 1 or 4 watts. Channel spacing is 12.5/25 kHz analog and 12.5 kHz digital.