Is there a test mode I can place the module in to verify that I have a radio output?

            Yes, use the Test Carrier (TC) AT command. To turn the test output on send the module “ATTC1” and to turn it off send it “ATTC0”. The test carrier will stay on until it is turned off or power cycled. Do not use this mode on battery powered devices as this will quickly drain the battery.
            Updated: 18 Sep 2018 05:12 PM
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