While keeping the dust-tight, waterproof construction and compact style of the original IC-F51 series, the IC-F51V/F61V has additional features including BTL amplifier, vibration alert, voice recorder and lone worker functions. These combined features open up the market for this product to the emergency services who need to use the radio as a radio pager with voice recorder and vibration alert functions, security companies that need lone worker and voice recorder functions and Industrial users who work in very noisy environments and need loud audio with the BTL amp and vibration alert functions.
Max alert ringer function ... When the IC-F51V/F61V receives a call, the radio sounds a beep with maximum volume to attract your attention
Signal monitor function ... The IC-F51V/F61V can monitor transmitting 2-tone/5-tone signal sound
Surveillance function ... Temporarily turns off the LED light and beep sound
2-step low battery alert
Optional HM-168 waterproof speaker microphone available that meets IPX7