Optoelectronics Micro Handi-Counter 3000A 10hz- 3ghz Dual Input

Optoelectronics Frequency Counter 3000A 10hz- 3ghz Dual Input Untested

Optoelectronics Handi-Counter Model 2600H

MFJ 886 Frequency Counter 1 MHz - 3 GHz

Optoelectronics Opto 3000A Micro Handi Frequency Counter, 10hz - 3 Ghz UNTESTED

Optoelectronics Handi-Counter 2600HA 1MHz-2.6GHz Frequency Finder

RADIO SHACK FREQUENCY COUNTER FOR CB AND HF TRANSCEIVER

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