Vintage DSI Model 3550 Frequency Counter 50 Hz-550MHz

Pristine Vintage Conar Model 202 Frequency Counter Kit No Leads Untested

REDCO RFC-50 Frequency Counter Test Equipment Counter Range

Vintage Digitron Frequency Counter 6550 USA - Untested As Is

Heathkit IM-4100 Digital Frequency Counter Powers On Ham Radio Test Gear

Radio Shack 22-306 LCD RF Frequency Counter 1 - 1300 Mhz (1.3Ghz) Works

BK Precision 1827 6 Digit , Autoranging Frequency Counter

Conar Instruments Model 202 Frequency Counter Untested For Parts Or Repair