Product Description Related Products Request a Quote Rebates Product Description ICOM HM171GP 2-pin GPS Mic For F3101D/4101D Series The HM171GP is a high-quality GPS microphone designed to offer superb sound quality and durability. It is compatible with F3101D/4101D series radios. Features : Color: Black Long-lasting performance Superb audio quality Request a Quote Request a Quote Rebates Check for Rebates