Changes for page Debug NB-IoT Connection
Last modified by Xiaoling on 2024/08/19 16:09
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... ... @@ -1,32 +1,34 @@ 1 -{{box cssClass="floatinginfobox" title="**Contents**"}} 2 -{{toc/}} 3 -{{/box}} 1 += **For BC95-G** = 4 4 5 - =Paragraph1=3 +**~1. Check the reason why you can't access the network:** 6 6 7 - Loremipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur.Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.5 +1) AT+CEREG=5 8 8 9 - ==Sub-paragraph==7 +2) AT+CEREG? ~/~/This process may be longer, please repeat the input 10 10 11 - Loremipsum dolorsit amet,consecteturadipiscing elit, seddo eiusmodtemporincididunt ut labore et dolore magna aliqua. Ut enimad minim veniam, quis nostrudexercitation ullamco laborisnisi ut aliquip ex eacommodo consequat. Duisauteirure dolor in reprehenderitin voluptatevelit esse cillum dolore eu fugiatnullapariatur. Excepteur sint occaecatupidatat non proident,sunt in culpa qui officia deserunt mollit anim id est laborum.9 +3) Mainly check the two parameters cause_type and reject_case 12 12 13 -== Sub-paragraph == 14 14 15 - Loremipsumdolor sitamet, consectetur adipiscinglit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Utenim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.12 +[[image:image-20220530093747-3.png]] 16 16 17 -=== Sub-sub paragraph === 18 18 19 - Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.Utenim ad minim veniam, quis nostrud exercitation ullamco laborisnisi utaliquip ex eacommodoconsequat. Duisaute irure dolor in reprehenderit in voluptate velit essecillum dolore eu fugiat nullapariatur. Excepteursint occaecatcupidatat nonproident, sunt in culpa qui officia deserunt mollit anim id est laborum.15 +**2. Network access operation:** 20 20 17 +1) AT+CFUN=0 21 21 22 -= Paragraph2 =19 +2) AT+NBAND=X ~/~/X means the local frequency band number 23 23 24 - Loremipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.21 +3) AT+NRB 25 25 26 - ==Sub-paragraph==23 +4) After waiting for a period of time, you can use AT+CSQ to query the network access 27 27 28 - Loremipsumdolor sitamet, consectetur adipiscinglit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Utenim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.25 +[[image:image-20220530093821-4.png]] 29 29 30 -== Sub-paragraph == 31 31 32 -Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum. 28 +**Remarks:** 29 + 30 +~1. The operating voltage of the SIM card used must be less than 3.0V 31 + 32 +2. The network access time varies with the signal strength 33 + 34 +3. If you have not been able to access the network, please try to access the network manually
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