SLCD43 does not support WinCE 5.0 running on this display controller. Our SLCD43 does support RS-485 via an external RS-232 to RS-485 converter. This type of adapter automatically enables the RS-485 transmitter when the RS-232 transmit data is active. It supports either half-duplex or full-duplex RS-485. Our SLCD43 can be controlled by a PC or a microprocessor using a physical serial connection to support CMOS/TTL logic levels. We also can load macros so applications can reside on the device with minimal external control (via commands). Find your unit under the "Touchscreen Display Modules" and then look in the "Documents" tab to download our software and hardware manuals for further information.