... Systems ,Automation system ,Data Terminal . Main Features : 1. CPU: Samsung S3C2416 533MHz CPU,128M SD RAM, 128 ... Mouse .4. Interfaces :USB Host 1.1 x 3, Mini USB x 1, RS232 x 2, RS 485 x ... 2, Earphone Jack x 1, SD Card slot x 1.5.Built in WIFI, Bluetooth ,Rechargeable Battery (Optional ).6 ... 2DC input9V-24VAudio output1WPower consumption8WSupport interfacesRS232 x 1/RS485 x 1 or RS232 x 2 SD card (Max ...