Changes for page Debug NB-IoT Connection
Last modified by Xiaoling on 2024/08/19 16:09
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... ... @@ -1,32 +1,35 @@ 1 -{{box cssClass="floatinginfobox" title="**Contents**"}} 2 -{{toc/}} 3 -{{/box}} 1 += **For BC95-G** = 4 4 5 -= Paragraph 1 = 6 6 7 - Loremipsum dolor sit amet,consecteturadipiscing elit, seddo eiusmod temporincididunt ut laboreet dolore magna aliqua. Ut enim ad minim veniam, quisnostrud exercitationullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderitin voluptatevelit essecillum dolore eu fugiatnulla pariatur.Excepteur sint occaecatcupidatat non proident,sunt in culpa qui officia deseruntmollitanim idestlaborum.4 +**~1. Check the reason why you can't access the network:** 8 8 9 - ==Sub-paragraph==6 +1) AT+CEREG=5 10 10 11 - Loremipsumdolor sit amet, consecteturadipiscing elit, sed do eiusmod temporincididunt ut laboreet dolore magna aliqua. Ut enim ad minim veniam, quisnostrudexercitation ullamco laborisnisi ut aliquipexea commodo consequat. Duis aute irure dolor inreprehenderitin voluptate velitessecillum doloreeu fugiat nullapariatur. Excepteur sint occaecatcupidatat non proident,suntinculpa qui officia deseruntmollit anim id est laborum.8 +2) AT+CEREG? ~/~/This process may be longer, please repeat the input 12 12 13 - ==Sub-paragraph==10 +3) Mainly check the two parameters cause_type and reject_case 14 14 15 -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. 16 16 17 - === Sub-sub paragraph ===13 +[[image:image-20220530093747-3.png]] 18 18 19 -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. 20 20 16 +**2. Network access operation:** 21 21 22 - =Paragraph 2=18 +1) AT+CFUN=0 23 23 24 - Loremipsumdolorsit amet, consecteturadipiscing elit,seddo eiusmodtemporincididunt utlabore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamcolaboris nisi ut aliquipex ea commodo consequat. Duis auteirure dolor inreprehenderit in voluptate velit essecillumdolore eu fugiatnulla pariatur. Excepteur sint occaecat cupidatatnon proident, sunt in culpa qui officia deseruntmollit anim id est laborum.20 +2) AT+NBAND=X ~/~/X means the local frequency band number 25 25 26 - ==Sub-paragraph ==22 +3) AT+NRB 27 27 28 - Loremipsum dolor sitamet, consectetur adipiscingelit, sed doeiusmodtemporncididuntut laboreetdolore magna aliqua. Ut enimad minim veniam,quis nostrudexercitation ullamco laborisnisi ut aliquipexeacommodoconsequat. Duis auteiruredolor in reprehenderitinvoluptatevelitesse cillum doloreeu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident,sunt in culpa qui officia deserunt mollit anim id est laborum.24 +4) After waiting for a period of time, you can use AT+CSQ to query the network access 29 29 30 - == Sub-paragraph ==26 +[[image:image-20220530093821-4.png]] 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 + 29 +**Remarks:** 30 + 31 +~1. The operating voltage of the SIM card used must be less than 3.0V 32 + 33 +2. The network access time varies with the signal strength 34 + 35 +3. If you have not been able to access the network, please try to access the network manually
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