Products Data Capturing Unit - Unitech Electronics Co. PT - 600 Battery : NiMH or Alkaline 3V lithium for Data CPU : 16 Bit Memory : 512 KB - 4.5 MB Barcode : All Major ID codes Scanner : With / Without built - in Scanner Interface : Serial Optional Infrared Baud Rate : Upto 57600 bps Compatibility : MS-DOS / Windows Programming : C, Jobgen Plus Windows Display : 4 * 12 / 8 * 16 Chrs. LED Backlit Keypad : 26 Alphanumeric Rubber keys Scan keys : 3 trigger keys PT - 700 Battery : NiMH or Alkaline 3V lithium for Data CPU : 16 Bit Memory : 256 KB - 1.5 MB Barcode : All Major ID codes Scanner : With / Without built - in Scanner Interface : Serial Optional Infrared Baud Rate : Upto 57600 bps Compatibility : MS-DOS / Windows Programming : C, Jobgen Plus Windows Display : 4 * 16 / 8 * 20 Chrs. El Backlit Keypad : 24 Alphanumeric Rubber keys Scan keys : 1 trigger keys PT - 805 Battery : NiMH or Alkaline 3V lithium for Data CPU : 8 Bit Memory : 64kb - 256kb Barcode : All Major ID codes Scanner : Optional External Scanner Interface : Serial, Keyboard Wedge Baud Rate : Upto 19200 bps Compatibility : MS-DOS Programming : ANSI C Display : 2 Line LCD  Keypad : 35 Alphanumeric Membrane PT - 815 Battery : NiMH or Alkaline 3V lithium for Data CPU : 8 Bit Memory : 64kb - 256kb Barcode : All Major ID codes Scanner : Optional External Scanner Interface : Serial Baud Rate : Upto 19200 bps Compatibility : MS-DOS Programming : ANSI C Display : 4 Line LCD  Keypad : 49 Alphanumeric Rubber