Vintage DSI Model 3550 Frequency Counter 50 Hz-550MHz

Leader LDC-823S Digital Frequency Counter 250 MHz

Vintage Pride Electronics CB FC-12 frequency counter Amateur Radio Analog CB HAM

Goldstar FC-7102 Frequency Counter 1GHz (Never Used)

Dosy FC50-P 6 Digit Inline Frequency Counter with AC Adapter Brand New

BK Precision Dynascan 1855 1.2GHz Frequency Counter,

Vintage Digitron Frequency Counter 6550 USA - Untested As Is

BK PRECISION 1803 100 MHz Frequency Counter