Wireless Communication 2 pin PTT Speaker Mic for Motorola GP2000 GP2100 GP300-- Very competitive price-- Have very good outputing voice--Use unbreakable material--Perfect sounds expression--Suitable for two way radios of various brands and modelsCompatible with:GP Series: GP2000,GP2100,GP300,GP308,GP68,GP88,GP88SXTN Series: XTN446, XTN500,..