Marine Mobile Radio IC-M304 1. Marine Radio 2. Frequency Range: Tx:156.025-157.425MHz Rx:156.050-163.275MHz Submersible compact body with large LCD and powerful audio1.Compact and submersibleEquivalent to IPX7 (1m depth for 30 minutes, except cables).2.Large easy-to-see LCDShows full size channel number with 4-step backlighting.3.Built-in DSC (RTCM SC-101)For distress calls, or for position ...