$469

Keysight/Agilent 53132A 225 MHzFrequency Counter/*go

$53.56

CT6S-1P4 New Autonics Counter Original Quality Goods One-year Warranty Fast Ship

$1250

HP 53181A Frequency Counter, Opt 010/015

$379

KEYSIGHT/Agilent/HP 53132A 225 MHz Universal Frequency Counter#br

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Line Seiki Electronic Counter Tally Counter DK-5005A Japan

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Keysight HP AGILENT 53210A 350 MHz RF Frequency Counter, 10 digits, used//jrc

$526.3

1PCS FUJI FRN3.7G1S-4C Frequency Converter FRN3.7G1S4C New in box

$13.11

High Accuracy RF 1~500MHz Frequency Counter Meter Tester Module For Ham Radio-

$222.71

C342-3462 - VEEDER-ROOT TACHOMETER, 8 DIGIT LCD 12-24 VDC POWERED

$595.01

HP Hewlett Packard 5350B Microwave Frequency Counter 

$177

HP/AGILENT/KEYSIGHT 53131A-001 Optional Medium Stability Timebase FOR 53181A-001

$950

HP/Agilent 5351B Microwave Frequency Counter Option 001,006