DuraXE Epic is the perfect companion for reliable communication in challenging conditions. Military Standard 810H* protection against dust, shock, vibration, temperature extremes, blowing rain, low pressure, solar radiation salt fog, humidity, freeze-thaw, and icing/freezing rain. IP68 dustproof and waterproof up to 6.5 ft. (2m) up to 30 minutes. Dual-mic noise cancellation enables you to clearly hear and be heard in noisy environments. Built for AT&T Enhanced Push-to-Talk (EPTT), use DuraXE Epic over cellular or Wi-Fi to communicate with your LMR network