Kenwood radio firmware download, DMR, APCO25, P25, NXDN, NEXEDGE, dPMR, firmware updates for NX-1000 / NX1000, NX-3000 / NX3000, NX-5000 / NX5000. The NX-5000 Series offers unsurpassed interoperability, support three digital CAIs - NXDN, DMR and P25, support two digital protocols and analog: FM/DMR/ NXDN, FM/NXDN/P25, and FM/DMR/P25.