Blackview - Tech Specs:BV9500Pro -Not only a rugged smartphone but also a interphone (walkie talkie functions works on 400-470 frequencies, for 350-390 should be requested from customized requirement) -IP68, IP69K -MIL-STD-810G Test
Blackview BV9500 review: a 10,000mAh battery tank-phone - Gizchina.com