I have an SDIO 802.11b wifi card for one of my PDA's. SD card formfactor. It's interesting that SDIO has survived to this day as an interface. Just mostly

I have an SDIO 802.11b wifi card for one of my PDA's. SD card formfactor. It's interesting that SDIO has survived to this day as an interface. Just mostly staying on the same board between some SoC and peripherals.