New Motorola remote speaker microphone for Motorola radios with two pin audio jacks. Remote Speaker Microphone with Coil Cord and Swivel Clip. Windporting Remote Speaker Microphones. The windporting feature dramatically lessens background noise caused by high winds and other severe weather conditions. Audio can pass through the speaker grill even when the microphone port is blocked by water ensuring clear communications. Commercial Models: BPR40 CP150 CP185 CP200 CP200D PR400. Business Radios: CLS1110 CLS1410 DTR410 DTR550 DTR650 RMU2040 RMU2080 RMU2080D RMV2080 RMM2050 RDU4100 RDU4160D RDV5100 RDV2020 RDV2080D RDU2020 RDU2080D RDM2080D. Older Models: SP10 SP21 SP50 P110 P1225 GP300 GTX800 GTX900 LTS2000 CT150 CT250 CT450 CT450LS MV11C MV12C MV21CV MV22CV MV24CVS MU11C MU12C MU21CV MU22CVS MU24CVS XV1100 XV2100 XV2600 XU1100 XY2100 XU2600 CP100 CP125 AXU4100 AXV5100 SPIRIT PRO