It can be done for under $600 using a bladeRF.. https://docs.srsran.com/projects/4g/en/latest/app_notes/source/hw_packs/source/index.html https://docs.srsran.co

It can be done for under $600 using a bladeRF.. https://docs.srsran.com/projects/4g/en/latest/app_notes/source/hw_packs/source/index.html https://docs.srsran.com/projects/4g/en/latest/app_notes/sour...