This web site offers biggest radio software collection in Internet. It includes MotoTRBO CPS download, MotoTRBO firmware, most recent APX CPS, APX Depot, FlashZap, region free patches, etc. Also note, that we keep up to date Motorola CPS and Kenwood KPG all the time. Delay between release by mfg. and file appearance is only a few days.

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Tb0310-1a_VX-4100_4200_RX Audio From Both Rear Jack and Front Speaker.pdf2018-08-16 21:53 250K
TB0608-2_VX-4100_4200_Sub Audible Tone Used in Talkaround Mode.pdf2018-08-16 21:53 38K
TB 201207-3 CE59 Ver 4_02 release (VX820_920_4200series)_Revision_Inprovementa.pdf2018-08-16 21:53 45K
TB 201406-01 CE59 Version 4.05 release_Improvement.pdf2018-08-16 21:53 150K
TB 201408-02 CE59 Version 5.00 release_Improvement (PLL change).pdf2018-08-16 21:53 92K
VS_QR_Programming_VX-4100-4200.pdf2018-08-16 21:53 128K
VX-4100 and VX-4200 DSUB 15 Accessory Connectora.pdf2018-08-16 21:52 53K
VX-4100_OPERATING_MANUALa.pdf2018-08-16 21:52 339K
VX-4200 Owner's Manuala.pdf2018-08-16 21:52 378K