That's pretty impressive, but it also has me worried.
Does this mean you could eavesdrop all Bluetooth connections from a single satellite?
Does this mean you could eavesdrop all Bluetooth connections from a single satellite?
Beyond that case, you'd have to have a secret backdoor into the encryption algorithm, and we don't think there is such a backdoor (AFAIK).
You could of course sniff on all the unencrypted BLE beacons out there, but I seriously doubt that data is interesting enough to be worth a spy satellite network.
Far, far more concerning is the ability for a satellite to effectively jam Bluetooth across the continent. Bluetooth does not handle congestion well, and signal quality degrades very quickly with interference. Imagine your headphones cutting out when this satellite is overhead.