Speaker Microphone, Product Type Speaker Microphone, Compatible Radio Type Vehicle-Mounted, Compatible Radio Brand Icom, Compatible Radio Series F5130D, F5330D, F6103D, F6330D, Compatible Radio Manufacturer Model Number M324, M324G, Compatible Radio Grainger Model Number 460T31, 460T32, 443K78, 443K79, Earpiece Jack Size Not Applicable, Radio Connector Type 1-Pin 3.5mm, Noise Prevention Not Applicable, Push To Talk Yes, Intrinsically Safe No, Keypad Included No, Material Plastic