Vintage DSI Model 3550 Frequency Counter 50 Hz-550MHz

Pristine Vintage Conar Model 202 Frequency Counter Kit No Leads Untested

Radio Shack 22-306 LCD RF Frequency Counter 1 - 1300 Mhz - Powers On Untested

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

Conar Instruments Model 202 Frequency Counter Untested For Parts Or Repair

SURECOM SF-401PLUS PORTABLE FREQUENCY COUNTER/CTCSS METER W/CTCSS/DCS DECODE

Vintage REDCO RFC-50 Frequency Counter Electronics Untested

DIY High Accuracy 1~500MHz Frequency Counter Tester LCD Measurement F/ Ham Radio