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

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

OPTOELECTRONICS MINI COUNTER MODEL 3300 As Is untested Free shipping

MFJ 886 Frequency Counter 1 MHz - 3 GHz

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

BK Precision 1827 6 Digit , Autoranging Frequency Counter

MFJ 886 Frequency Counter 1 MHz - 3 GHz-with Antenna-Partially Tested

Sabtronics 8100 Frequency Counter Digital Bench Test Instrument Powers On