Adding to this that there's a bit of regulatory implication of open sourced cellular RF stack as well. Essentially, whenever you connect to a cellular network,

Adding to this that there's a bit of regulatory implication of open sourced cellular RF stack as well. Essentially, whenever you connect to a cellular network, you are not a "licensee" of the "station" rather, mobile carriers are. (Basically you are the remote controlled station -- as mobile carrier is a control operator for your RF interface) So like you said, radio firmware and opensource doesn't mix...