Talk:TP-LINK TL-WPA4220

TP-LINK TL-WPA4220 previous version
There seems to be no US version prior to V3, but there are CN, AU, EU, and UK previous versions.
 * All seems to sport the same CPU and Wi-Fi chipsets. To the knowledge:


 * TP-LINK TL-WPA4220 - V1.0 seems to be CN and EU only.
 * 2 Mbytes flash Winbond W25Q16CSIG (2MB, SPI) and
 * 8 Mbytes RAM: EtronTech EM638165TS-6G (8MB)


 * TP-LINK TL-WPA4220 - V1.2 is (was?) commonly available in UK and AU.
 * 2 Mbytes flash cFeon QH16-104HIP (320157A3 1521 EDA) and
 * 8 Mbytes RAM ESMT M12L64164A-5T (ANY1P4C4C). Different PCB layout.


 * TP-LINK TL-WPA4220 v2 - V2.0 is EU & UK update, with again different PCB layout,
 * 1 Mbyte flash (unknow manuf HH1703 25Q80CSIG APQN328) and
 * 64 Mbytes RAM (ESMT M13S5121632A - AZS1M60NF)


 * TP-LINK TL-WPA4220 v3 - V3.0 (not seen)
 * TP-LINK TL-WPA4220 v4 - V4.0 (not seen)


 * --Omega (talk) 19:48, 22 April 2020 (UTC)