Models targeting the SDR market (e.g. from RTL-SDR Blog or NooElec) do have some improvements compared to models sold as TV tuners. Most importantly, they often

Models targeting the SDR market (e.g. from RTL-SDR Blog or NooElec) do have some improvements compared to models sold as TV tuners. Most importantly, they often include a more accurate crystal oscillator, which is useful when receiving narrow-band signals.