This SDIO card upgrades the MC70 series of terminals
by providing IrDA functionality. The card uses the
SDIO slot on the side of the MC70 and is provided with a
replacement cover moulding to allow IR transmission
whilst maintaining the IP rating of the MC70. The
SDIO card operates with the Microsoft IrDA stack and an
additional driver to implement an SIR (115.2kbps
maximum) interface.