Prime doesn't connect to internet. Handshake is qr code Then a "quantum bluetooth" to envoy But you can use sd cards and nfc cards

This device cannot be set up air-gapped. You must use BLE to connect to the Envoy app to use it. It does however have an anti-replay message feature to ensure no data piggybacking happens through Envoy but, it is not air-gapped at least through setup.

It does not connect to the internet, totally offline. Bluetooth is used over QuantumLink which has the characteristics of air gap but technically not, you can read more about that here: https://foundation.xyz/2025/01/quantumlink-reinventing-secure-wireless-communication/ We are later this year exp...