Compatibility:For the following Motorola portable two way radios:
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

Motorola Spirit Series:
SV10, SV11, SV11D, SV21, SV12, SV22, SV22C, SU210, SU22, SU22C, SU220 VHF / UHF Spirit, Spirit Pro, Spirit Pro+, Spirit HP 10

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, 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

PRO Series:
PRO1150, PRO2150, PRO3150

P Series:
P040, P080, P1225, P1225LS

DTR Series:
DTR410, DTR550, DTR610, DTR650

Other Series:
GTI, GTX, LTS2000, VL130, PMR446, ECP100, Mag One BPR400, EP450, AU1200, AV1200

RDX Series:
RDV-5100, RDV2020, RDU2020, RDU2080DD, RDU4100, RDU4160D, RDV2080D, RDV5100

FDC:
FD-150A, FD-450A, FD-160A, FD-460A

2 X Earpiece