Vintage REDCO RFC-50 Frequency Counter Electronics Untested

DataScan MODEL C1400 10HZ-1..4GHZ FREQUENCY COUNTER * Untested

Optoelectronics Handi-Counter Model 2810

Heathkit IM-2400 Frequency Counter LED 50/500MHz POOR CONDITION BATTERY CORRODED

OPTOELECTRONICS OPTO-7000 FREQUENCY COUNTER - No Power cord

Vintage DSI Model 3550 Frequency Counter 50 Hz-550MHz Powers On

Lodestar Frequency Counter (FC-5250C 10Hz~200MHz) **USED VINTAGE** Turns On

Optoelectronics Frequency Counter Model 7010A - 600 MHz Untested