Changes for page Debug NB-IoT Connection
Last modified by Xiaoling on 2024/08/19 16:09
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... ... @@ -1,13 +1,15 @@ 1 1 = **For BC95-G** = 2 2 3 +---- 3 3 5 + 4 4 (% style="color:blue" %)**1. Check the reason why you can't access the network:** 5 5 6 -1) AT+CEREG=5 8 +(% style="color:#037691" %)**1) AT+CEREG=5** 7 7 8 -2) AT+CEREG? ~/~/This process may be longer, please repeat the input 10 +(% style="color:#037691" %)**2) AT+CEREG?** (%%) ~/~/ This process may be longer, please repeat the input 9 9 10 -3) Mainly check the two parameters cause_type and reject_case 12 +(% style="color:#037691" %)**3) Mainly check the two parameters (% style="color:red" %)cause_type and (% style="color:red" %)reject_case** 11 11 12 12 13 13 [[image:image-20220530093747-3.png]] ... ... @@ -15,14 +15,15 @@ 15 15 16 16 (% style="color:blue" %)**2. Network access operation:** 17 17 18 -1) AT+CFUN=0 20 +(% style="color:#037691" %)1) AT+CFUN=0 19 19 20 -2) AT+NBAND=X ~/~/X means the local frequency band number 22 +(% style="color:#037691" %)2) AT+NBAND=X (%%) ~/~/ X means the local frequency band number 21 21 22 -3) AT+NRB 24 +(% style="color:#037691" %)3) AT+NRB 23 23 24 -4) After waiting for a period of time, you can use AT+CSQ to query the network access 26 +(% style="color:#037691" %)4) After waiting for a period of time, you can use (% style="color:red" %)AT+CSQ (%%)to query the network access 25 25 28 + 26 26 [[image:image-20220530093821-4.png]] 27 27 28 28