Motorola XU1100 5-Mile 1-Channel UHF Business Two-Way Radio Powerful two-way UHF radio, ideal for communication inside steel and concrete structures Weatherproof, shockproof, drop-proof and meets MilSpec810 and IP54 standards Included NIMH rechargeable battery offers up to 15 hours of continuous operation; also runs on AA batteries Transmits up to 200,000 square feet, or up to 10 floors in a multi-level building Features 56 business-exclusive UHF frequencies along with 121 private line codes, including 83 digital private line codes