@ChicagoHockey Hi Nathan, and welcome to the TypeOneNation Forum!
As @Joe said, cellular technology is needed to transmit the glucose information to “a cloud” in order for you or your wife to be able to retrieve that data. All the available continuous glucose readers [that I’ve seen] can transmit only via BTE low energy. That said, I’ve found that my DexCom G6 transmitter connects well with my Galaxy phone at a considerable distance and doesn’t miss glucose readings.
As Nareen @nkim wrote, a viable solution could be to place your son’s phone on the bench, near center ice, where it will pick-up signals from a CGM. Just be aware, that especially during rapid change in glucose level, that body glucose level [BGL], glucose level in the interstitial fluid from which a CGM gets its information, will lag behind blood glucose [BG] level by 10 to 20 minutes. Use finger-stick BG reading between periods to make your guess at how much your son should eat before start of the next period.
Especially at the beginning, it will be a guessing game - as I have found by living with diabetes for 60++ years. Be conservative; eat more than “calculations” suggest and, if necessary, a high glucose level can be corrected later - wait four hours before making a correction.