At Wireless Watch, we have lamented the UK regulator’s failure to use the recent 3.5 GHz auction to enable a new entrant to the market. Other countries – Ireland already, and many others considering it – have seen the relatively plentiful supply of this midband spectrum as a way to set some aside for an additional operator with a new business model. That is the key however – a new business model, such as the neutral host, business-to-business platform proposed in Ireland by new licence winner Airspan, which would enable new services while not touching the MNOs’ central revenue streams. Introducing a newcomer to compete with the established MNOs in their core consumer retail business is a far riskier prospect,…