ASTRO Spectra Firmware: R11.71.07 / 08.03.05 This CVN will update the 1MB ASTRO Spectra to the following firmware version: Host: R11.71.07 DSP: 08.03.05 This firmware package is used for conventional and 3600bps APCO-16 mixed-mode (IMBE) trunking operation. ASTRO25 9600bps trunking NOT supported. For the overwhelming majority of users, this is the CVN file to use. Note: DSP will automatically flash analog or digital, depending on your existing flashcode. (N08.03.05, A08.03.05, etc.) The following hardware is required to utilize this flash file: - Valid refresh iButton with remaining flashes; - Motorola CPS or RSS (CPS R05.03.00 is recommended); - Motorola SmartRIB (SRIB) with power supply; - ASTRO Spectra Flash Cable. RKN4047A. Programming cables DO NOT WORK.