Debugging error in ec20cehg Linux

Run quectel CM & amp
requestRegistrationState2 MCC: 460, MNC: 0, PS: Attached, DataCap: EDGE
requestSetupDataCall QMUXResult = 0x1, QMUXError = 0xe
requestSetupDataCall QMUXResult = 0x1, QMUXError = 0xe`

Solution

1: When the Internet of things is locked, it needs to be unblocked
2: does the receiving and transmitting frequency bands of the antenna match

	 I encountered the first situation, replace the IoT card to solve, try the following with their own cell phone card, get the IP address to connect to the Internet can communicate.