Speaker Microphone, Product Type Speaker Microphone, Compatible Radio Type Handheld, Compatible Radio Brand Icom, Compatible Radio Series F1000, F1000D, F1100, F29SR, Compatible Radio Manufacturer Model Number IC-F1000, IC-F1000D, IC-F1100, IC-F29DR, IC-F29SR, Compatible Radio Grainger Model Number 40XA11, 40XA12., 54ZU80, 54ZU81, 55EE27, 55KD83, 55KD84, 55KD85, Earpiece Jack Size 3.5 mm, Radio Connector Type 2-Pin Screw Attach, Noise Prevention Not Applicable, Push To Talk Yes