This a new, original Icom microphone made in Japan [not aftermarket], designed to work with the Icom IC-2100H 2m mobile radio..
As shown with backlighting. This mic also has two color coded status LEDs to indicate transmit or data status for the operator.Unused, as new as supplied with the Icom IC-2100H radio.This mic sells new at retailers for over $80.
This mic works with any Icom radio that requires the HM-133 mic, all that is different is the key pad designationfor those radios that specify the HM-133 and HM-133V models.

• Works with IC-2100H - exactly as designed for it. All keycaps match functions.
• Works with IC-208H, IC-2820H, IC-2720H - some of the keypad markings will be different, but all functions supported

• Works with IC-2200H, IC-V8000 -some of the keypad markings will be different, but all functions supported

This mic does not work with the Icom IC-703, IC-706 or Icom IC-7000 series radios.
Lots of additional information here, schematics, this mic uses the newerμPD789071 chip)
Pin out of connection.PIN 1 +8 volt ( 10mA max ).( black)PIN 2 UP/DOWN.( blue)PIN 3 8 volt control IN.( white)PIN 4 PTT.( black)PIN 5 MIC GROUND.(green)PIN 6 MIC.( yellow)PIN 7 PTT GROUND.( brown)PIN 8 DATA INPUT.( red)
Supplied with coiled cable only [terminates in RJ45 modular connector]
No mic clip available, sorry.
Shipping by Mail $5 in US.

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