Ham Radio 7.1mm Speaker Microphone with U94 PTT Headset Adapter for Motorola DEP450/EP450/GP88/GP300/CP88 ?Speaker Microphone: ?Use high impact ABS and Polycarbonate plastic housings for ruggedness ?Use High quality speaker and noise-cancelling mic provide loud and clear sound ?Environmental PU cable reinforced with coiled cord ?Microphone with sturdy plastic 360?? rotating clip. The microphone can be clipped on the collar or shoulder position ?Microphone with 3.5mm audio jack ?Undergone comprehensive testing including high altitude performance,vibration,mechanical shock,thermal cycling,external short circuit and overcharge test simulations ?U94 PTT: ?Button activated PTT (push to talk) unit with a strong back clip which provides a secure attachment ?Made of high quality ABS,compact size and convenient to carry ?The metal clip on the back for carrying on vest/strap ?Easy installation and easy to manipulate ?Compatible Radio Models: ?For MOTOROLA: ?XTN Series: XTN446,XTN500,XTN600 ?XTN XV Series: XV1100,XV2100,XV2600,XV4100 ?XTN XU Series: XU1100,XU2100,XU2600,XU4100 ?XTN AX Series: AXV5100,AXU4100 ?CLS Series: CLS1110,CLS1410,CLS1413,CLS1450,CLS1450C,CLS1450CB,VL50 ?Spirit Series: SV10,SV11,SV11D,SV21,SV12,SV22,SV22C,SU210,SU22,SU22C,SU220,Spirit Pro,Spirit Pro+,HP10 ?Spirit MU Series: MU11,MU11C,MU11CV,MU12,MU12C,MU12CV,MU21C,MU21CV,MU22CVS,MU24CV,MU24CVS,MU24CVST ?Spirit MV Series: MV11,MV11C,MV11CV,MV12,MV12CV,MV21C,MV21CV,MV22,MV22CV,MV24CVS ?CP Series: CP88,CP040,CP100,CP110,CP125,CP150,CP200,CP250,CP300 ?GP Series: GP2000,GP2100,GP300,GP308,GP68,GP88,GP88S ?SP Series: SP10,SP21,SP50+,SP50 ?CT Series: CT150,CT250,CT450,CT450LS ?P Series: P040,P080,P110,P1225,P1225LS ?DTR Series: DTR410,DTR550,DTR610,DTR650 ?Other Series: GTI,GTX,LTS2000,VL130,PMR446,ECP100,PR400,MagOne BPR400,EP450,DEP450,AU1200,AV1200 ?RDX Series: RDV-5100,RDV2020,RDU2020,RDU2080DD,RDU4100,RDU4160D,RDV2080D,RDV5100 Compatible with: ?Motorola DEP450 Package included: ?1 x U94 PTT Headset Adapter ?1 x Speaker Microphone