This command is valid only when the 3G modem is installed.This prevents frequency band changes caused by frequency interference and ensures 3G link stability. When the frequency band of a WCDMA network that you access is fixed, you can run the band wcdma command to set the frequencyīand of the WCDMA network that 3G cellular interfaces are connected to. When the frequency band of a WCDMA network changes after 3G cellular interfaces are connected to the WCDMA network, theģG modem automatically adjusts the frequency band accordingly, which affects stability of 3G links. WCDMA networks of network carriers can provide multiple frequency bands for user access. You can run the dialer timer probe-interval command to set the NQA probe interval. The device terminates the 3G or LTE link after three consecutive NQA probe failures. When the dial-up initiated through a cellular interface or cellular channel interface succeeds. If this parameter is specified, the device performs Specifies the administrator and name of an NQA You are advised to set the priority of theĪPN profile bound to the master SIM card to higher than that of theĪPN profile bound to the backup SIM card. The APN profile with a higher priority can access Two APN profiles can be bound to an LTE cellular interface or LTEĬhannel interface. The value is an integer that ranges from 1 to 255. Specifies the priority of the APN profile. The value is a string of 1 to 64 case-sensitive snmp-agent trap enable feature-name ifmtrap.modem auto-recovery services-unavailable.modem auto-recovery dial action modem-reboot fail-times.display snmp-agent trap feature-name ifmtrap all.display sms interface cellular statistics.Are classified into 3G cellular interfaces and LTE cellular interfaces.Ĭellular channel interfaces are classified into 3G channel interfaces

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