Firmware Support All ProductsMDC6RC-EDARC-SDARC-SDA Gen3RC-SDA+RC-SDA+ Gen2RC-SDA4+RC-SDA5+RC5 Gen2RC5+RC8 Gen2RCU2ERCU2SRCU3SLRTK-8CPRTK-AM1 Standard Firmware (Most common)Secure Firmware (Disables microSD)VersionDescriptionDateRelease NotesDownloadDownloadv6.0 RTK-AM102/23/2026 DownloadDownloadDownloadv2.0 RCU3SL02/13/2026 DownloadDownloadDownloadv5.0 RTK-AM112/03/2025 DownloadDownloadDownloadv2.0 MDC611/26/2025 DownloadDownloadDownloadv2.0 RC-SDA4+11/19/2025 DownloadDownloadDownloadv2.0 RC-SDA5+11/19/2025 DownloadDownloadDownloadv3.0 RC8 Gen211/14/2025 DownloadDownloadDownloadv4.0 RTK-AM111/11/2025 DownloadDownloadDownloadv3.0 RTK-AM110/08/2025 DownloadDownloadDownloadv2.0 RC8 Gen209/08/2025 DownloadDownloadDownloadv1.0 RC5 Gen207/16/2025 DownloadDownloadDownloadv2.0 RTK-AM105/15/2025 DownloadDownloadDownloadv1.0 RCU3SL04/21/2025 DownloadDownloadDownloadv3.0 RCU2E04/15/2025 DownloadDownloadDownloadv1.0 RTK-AM1 : Full Release04/14/2025 DownloadDownloadDownloadv1.0 RTK-AM1 : Patch04/14/2025 DownloadDownloadDownloadv2.0 RCU2E03/28/2025 DownloadDownloadDownloadv5.0 RCU2S03/28/2025 DownloadDownloadDownloadv1.0 RC5+03/03/2025 DownloadDownloadDownloadv4.0 RC-EDA09/04/2024 DownloadDownloadDownloadv5.0 RC-SDA+ Gen207/18/2024 DownloadDownloadDownloadv1.0 RC-SDA4+12/15/2023 DownloadDownloadDownloadv1.0 RC-SDA5+12/15/2023 DownloadDownloadDownloadv4.0 RC-SDA Gen310/27/2023 DownloadDownloadDownloadv4.0 RC-SDA+ Gen206/26/2023 DownloadDownloadDownloadv1.0 RCU2E06/26/2023 DownloadDownloadDownloadv3.0/v4.0 RCU2S05/22/2023 DownloadDownloadDownloadv5.0 RC-SDA+05/17/2023 DownloadDownloadDownloadv2.0/v3.0 RCU2S11/22/2022 DownloadDownloadDownloadv3.0 RC-EDA11/21/2022 DownloadDownloadDownloadv1.0/v2.0 RCU2S09/27/2022 DownloadDownloadDownloadv2.0 RC-EDA08/29/2022 DownloadDownloadDownloadv6.0 RC-SDA08/10/2022 DownloadDownloadDownloadv4.0 RC-SDA+06/17/2022 DownloadDownloadDownloadv1.0 RTK-8CP06/02/2022 DownloadDownloadDownloadv2.0 RC-SDA+03/21/2022 DownloadDownloadDownloadv5.0 RC-SDA03/08/2022 DownloadDownloadDownloadv1.0 RC-EDA12/27/2021 DownloadDownloadDownloadv4.0 RC-SDA12/27/2021 DownloadDownloadDownloadv1.0 RC-SDA+12/27/2021 Download
