A second software release on the mixed Zedboard + Nutaq Radio420 FMC card (ZeptoSDR). This second software release includes Nutaq BSDK, allowing commands and fast data streaming from an external PC using the GigE interface. Additionally, a GNU Radio plug-in software allowing radio waveform developers to rapidly design wireless applications and benefits from the all communication IP blocks developed by this open software community. The link below will guide you through our ZeptoSDR webpage for more explanation and you should find there the link for downloading the software.