[https://wiki.teltonika-gps.com/wikibase/images/2/2e/Quectel_EC25EC21_AT_Commands_Manual_V1.2.pdf#page=13 '''2.1 ATI Display Product Identification Information - page 12'''] | [https://wiki.teltonika-gps.com/wikibase/images/2/2e/Quectel_EC25EC21_AT_Commands_Manual_V1.2.pdf#page=13 '''2.1 ATI Display Product Identification Information - page 12'''] |