| GENERAL CHARACTERISTICS ITEM DESCRIPTION | 256 CHARACTER ALPHA NUMERIC DISPLAY; 60 POSITION TOUCH ENTRY KEYBOARD; SELF CONTAINED MODEM INTERFACES WITH WD-1 WIRE LINE OR RADIO; DATA TRANSMISSIONS MODES SINGLE OR DOUBLE BLOCK,600 OR 1200 BIT PER SECOND; MODULATION TYPE FSK,1200 AND 2400 HERTZ TONES; OPER PWR RQMTS 20 TO 32 VDC AT 1 AMP NOM; INCLUDES PROVISIONS FOR INTERNAL BATTERY; 3.6 IN LG BY 10.7 IN W BY 7.2-IN H; HAND CARRIED FOR PORTABLE USE |