To implement the OTA , i have receive the around 200kb bin file from server through gsm modem for that please suggest which protocol suits more(UDP,TCP,HTTP,FTP…) and implementation command for same

In pythonanywhere website i had upload the bin file,how can i receive that file in gsm modem

is it a HTTP server ? Or TCP server? Or FTP server?

it is http plain server does rc7620 gsm modem supports http and https or not

I saw there is at+khttp command in the AT command user guide

can you please suggest http configuration steps for gsm modem to receive the bin file from http server

you can see here: [image] RC76xx HTTP Connection via PySerial RC76 You can try to same command as mine to use profile 1: AT+KCNXCFG=1,"GPRS","CMHK" OK AT+KCNXPROFILE=1 OK AT+KHTTPCFG=1,"www.google.com",80,0,,,,,0 +KHTTPCFG: 1 OK +KCNX_IND: 1,4,1 +KCNX_I…

RC76xx HTTP Connection via PySerial ou can try to same command as mine to use profile 1: AT+KCNXCFG=1,“GPRS”,“CMHK” OK AT+KCNXPROFILE=1 OK AT+KHTTPCFG=1,“ www.google.com ”,80,0,0 +KHTTPCFG: 1 OK +KCNX_IND: 1,4,1 +KCNX_IND: 1,1,0 +KHTTP_IND: 1,1 AT+KHTTPGET=1,“/index.html” CONNECT HTTP/1.1 200 OK d…

which part is not clear? Have you tried those commands? Did you see the AT command user guide for the explanation of those commands?

AT+KHTTPCFG=1,“ www.google.com ”,80,0,0 +KHTTPCFG: 1 OK +KCNX_IND: 1,4,1 +KCNX_IND: 1,2,1,2,30 this reply i m getting

that means your module cannot reach the server As mentioned before, you should set up your own server for testing

Suggest protocol in RC7620 gsm modem to Receive the bin file from server

jyijyi November 19, 2025, 4:03am 18

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Suggest protocol in RC7620 gsm modem to Receive the bin file from server

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