1 GHz Frequency Counter Discontinued Model 1804D Discontinued: June 7, 2011 MSRP $299 / 1 Yr Warranty ‹ › Overview Docs & Software Accessories & Options Where to Buy Selectable gate times 0.1 and 1.0 sec. 8 Digit LED display Highly accurate time base Measures up to 1.0GHz cUL certified Documentation Manual Datasheet Right Angle Telescoping Antenna, BNC Connector Model AT 21 MSRP $37.00 AC Adapter, 9VDC/300mA, Center + Model BE 12 UL & CSA ListedBarrel Jack Dimensions: 12mm long, 5mm diameter, 2mm internal diameter MSRP $23.00 BNC Breakout to Alligator Clips Model CC-21 Standard BNC to Alligator clips test leads. 50 ohm impedance RG58C/u cable 500Vrms voltage rating 40" cable length MSRP $13.00 Home/Products