I used TD4.6.6-64bit. When debugging the SD card, I encountered a problem that the signal in the SD module could not be found in the logic analyzer. In the past, adding (*keep*) before the signal coul
You can download the 3gpp/3gpp2 download address yourself.http://www.3gpp.org/ftp/Specs/ Specificationshttp://www.3gpp.org/specs/numbering.htm Add 3GPP2http://www.3gpp2.org/Public_html/specs/
Based on IEEE 802.11ah, Wi-Fi CERTIFIED 802.11ah or HaLow is a low-power, long-range Wi-Fi standard that operates at 900 MHz. 802.11ah (HaLow) was introduced by the WiFi Alliance in 2016. WiFi Certifi