Template: RM500U-CN 5G HAT FAQ
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FAQ
Answer:
- RM500U-CN: Based on Spreadtrum.
- RM500Q-GL: Based on Qualcomm, support GNSS positioning, for China.
- RM500Q-AE/RM502Q-AE: based on Qualcomm, support GNSS positioning, except China.
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Answer:
AT+QCFG="data_interface" AT+QCFG="data_interface",0 //Modify it as USB mode
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Answer:
Please change the dial mode to the stable router mode by the following commands:
AT+QCFG="nat",1
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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:
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 AA version (with USB function) M.2 B KEY interface module is required. The AP version (PCIE, without USB function) module is not supported.
- If it is an M.2 B KEY interface and conforms to the line sequence shown in the figure below, the AA version module (with USB function) can be connected and used: