GENERAL CHARACTERISTICS ITEM DESCRIPTION | PORTABLE,TRANSISTORIZED,SELF-CONTAINED,FREQUENCY BAND WIDTH 100.0 HZ TO 500.0 KHZ,IMPEDANCE 75.0,135.0,150.0,600.0 AND 900.0 OHMS,OPERATING VOLTAGE 115.0 VAC 50 TO 400 HZ,20.0 TO 70 VDC INTERNAL OR EXTERNAL BATTERIES,14.250 IN. LG,12.625 IN. H,9.250 IN. DEEP |