HM-138 Speaker Microphone Waterproof Speaker Microphone (equivalent to IPX-7) Designed to work with IC-M87 and IC-F51V/F61V radios.
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.
Designed with particular emphasis on commercial use the IC-M87 is a high class business marine handheld that meets both marine and simple Private Business Radio (PBR) applications*. Compact and with a tough construction, the IC-M87 meets military standard requirements (MIL-STD) and is built to the same waterproof standard employed by the IC-M1EuroV and IC-M21.