... or CF Wi-Fi adapter card for wireless networking) Wireless cellular modem for wide area communication CF and SD Card SlotsCompact Flash ... User accessible, fully sealed Optional extended cap for GPS, Bluetooth, cellular modems, barcode, and other extended cards High Contrast Color DisplayActive ... (patent pending)COM 1: 9-pin sub D connector, full modem control signals, 5V @ 200 mA available on DTR pin, ...