Vintage REDCO RFC-50 Frequency Counter Electronics Untested

OPTOELECTRONICS OPTO-7000 FREQUENCY COUNTER - No Power cord

Optoelectronics Frequency Counter K7000 VHF UHF UNTESTED / SOLD AS PARTS/REPAIR

Frequency Counter IBQ102 Black mini Handheld Counter for 2-way Radio

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

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

Heathkit IM-4100 Digital Frequency Counter Powers On Ham Radio Test Gear

Vintage Digitron Frequency Counter 6550 USA - Untested As Is