• Last Call Voice Recording
• Active Noise Cancelling Technology
• Bass Boost Function
• 700mW Loud Audio
• 6W RF Output Power
• IPX8 Submersible Plus Waterproofing
• Slim, Hourglass Body Wide Viewing Angle LCD
• AquaQuake water draining function
• Dual/Tri-Watch function for monitoring Channel 16 and/or call channel
• 4-level battery indicator
• Optional waterproof speaker-microphones, HM-167 and HM-202
• Auto power save function
  

The M73 Plus model includes "Last Call" voice recording and playback, active noise canceling technology, and a Bass Boost function for enhanced audio. (THIS LINK IS NOT FOR THE M73 PLUS)

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