BC28 module AT+QMTOPEN response is very slow

IoT Modules LPWA Module
1

When the bc28 module uses AT+QMTOPEN (MQTT), the response time is uncertain. After returning to OK, there is +QMTOPEN: 0,0 response from 6 minutes to 8 minutes. But when using Coap communication, the speed is very fast.

2

This question has been answered in your other posts。

3

嗯嗯，谢谢，已在测试。非常感谢。。。。。。。