The RM Series Meet Military 810 C, D, E, F, G and IP54/55 specifications so they won't quit in high noise, harsh conditions. All RM series radios have 2 watts of power and operate on 89 UHF or 27 VHF business-exclusive frequencies with 122 codes, same as the RDX series radios.
PLEASE NOTE: This product contains Lithium Ion Batteries. Due to FAA regulation this item is restricted to ground transportation in the lower 48 contiguous states and cannot ship to Alaska, Hawaii or Puerto Rico.