SNR signal quality notification %XSNRSQ

The proprietary %XSNRSQ command subscribes notifications of changes in Signal-to-Noise Ratio (SNR) signal quality. v1.0.x v1.1.x v1.2.x v1.3.x

Note: When Narrowband Internet of Things (NB-IoT) system mode is used and the device is in RRC CONNECTED state, old signal quality parameter values are reported. The values are recorded and reported from the previous RRC IDLE state. v1.0.x v1.1.x v1.2.x≤1 v1.3.x