Preferred router settings August 13, 2024 08:46 Updated For the Synkee dongle to work properly, the following ports must be open in your router: SNTP: time server 123 TLS azure connection: 8883 Modbus (local): 502 Related to Synkee_home Related articles My home network is not displayed in the list Which devices are compatible with Synkee? Requirements for correct functioning of the dongle How do I measure the signal strength of my Wi-Fi? LED doesn't flash blue after pressing the black button