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An Ethernet or WiFi network which is accessible from the location of the coffee machine
Outbound access from the Ethernet or WiFi network to
a14v6cnrny0bel-ats.iot.ap-southeast-2.amazonaws.com on port 443 TCP (HTTP over TLS)a14v6cnrny0bel-ats.iot.ap-southeast-2.amazonaws.com on port 8883 (and MQTT over TLS)
0.oceania.pool.ntp.org on port 123 UDP (NTP)
One, or two if the Flow Gateway will be connected via a WiFi network, AC power outlets near the location of the coffee machine (usually under the counter)
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