Template: RM500U-CN 5G HAT FAQ
From Waveshare Wiki
Answer:
RM500U-CN: based on Zhanrui platform.
RM500Q-GL: Qualcomm-based platform, support GNSS positioning, mainly for China.
RM500Q-AE/RM502Q-AE: Qualcomm-based platform, support GNSS positioning.
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Answer:
The 5G module consumes a lot of power, especially at the moment of network access; the Raspberry Pi has limited power supply capacity and can be powered by a 5V (3A) power supply through the onboard TYPE-C interface.
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Answer:
When using an external power supply, after restarting the Raspberry Pi, the RM500U does not restart. At this time, you can restart the RM500U with the command and so on.
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Answer:
- Connected to the SIM Card and Skyline, required to connect to the Four-Root Skyline
- After confirming the connection, please use the following AT Log check box:
AT+CPIN? AT+COPS? AT+QCSQ AT+QENG="servingcell
Answer:
There are the following dial types:
AT+QCFG="usbnet",0 driver type is NDIS(QMI)); AT+QCFG="usbnet",1 The driver type is ECM; AT+QCFG="usbnet",2 The driver type is MBIM; (RM5XXQ support) AT+QCFG="usbnet",3 The driver type is RNDIS AT+QCFG="usbnet",5 The driver type is NCM;
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Answer:
Use the following command to turn on the echo, and press Enter after entering: (Blind typing is required here)
ATE1
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Answer:
The USB power supply capability of the Raspberry Pi is worse than that of the computer. It needs to be connected to an external power supply. Please set the switch to EXT PWR, and connect the HAT interface to a 5V 3A power supply:
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Answer:
- Raspberry PI 2B/zero, the user serial port device number is ttyAMA0;
ls -l /dev/serial*
- The following command line can be used to confirm that serial0 is the serial port device number selected, as shown in the figure below:
