The battles over mid-band spectrum in the USA continue, and in the past week, it has been the turn of the 4.9 GHz band to hit the spotlight. This band has been reserved for critical infrastructure industries (CII), but utilities are calling for access to it, while its incumbent public safety organizations insist they still need exclusive usage. The CBRS Alliance indicates that the spectrum sharing scheme which it supports in the 3.5 GHz band could be adapted for 4.9 GHz, which would enable the safety agencies to be prioritized, but other entities to jump on the spectrum when it was not being used for critical response. The 4.9 GHz band consists of 50 MHz of spectrum which was allocated for public…