REPL Test in U201 and U270


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Testing REPL in U201 can’t establish cloud connection (after 7++ minutes).
Last repeating status is… “No signal. Check Antenna.”

I used U270 to verify if the antenna is really the issue (since my U270 always connects to network without problem)…

The result is SIGNAL = 99 before connection… and SIGNAL = 7~9 after connection.

And here is the status of U270

I’ve been working for more than 3 weeks trying to have the U201 consistently connect to network just like U270 but to no avail. So if the issue is not in the antenna, then what could it possibly be?


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