Device firmware version 4 and above supports 1024-channel spectra, while earlier firmware versions supported 256-channel spectra.

The number of spectrum channels is determined by the digit capacity of the ADC used, which digitizes the signal from the device's scintillation detector. A higher bit rate, such as 10 bits instead of 8 bits, allows for 1024 spectrum channels. This results in a clearer separation of spectrum peaks in the low-energy region of radiation. The transition to 10-bit spectra became possible through the application of special algorithms and signal processing techniques at the ADC output. These algorithms minimized the impact of the ADC's nonlinearity on the spectrum's shape.

The Radiacode application works with 10-bit spectra. When loading from the spectra library and importing old 8-bit spectra (256 channels) from files, they are converted to 10-bit spectra (1024 channels). It should be noted that: