High-Speed Counter/Timer Devices with Digital I/O
USB Frequency Counter
Arduino/Genuino 24 GHz Frequency Counter
53200 Series RF and Universal Frequency Counter / Timers | Keysight
USB frequency counter
Frequency counter and crystal tester kit: 1 Hz - 50 MHz | Elektor Magazine
USB Frequency Counter
DIY Kits RF Crystal Oscillator Frequency Counter Meter 1Hz-50MHz Programmable Digital LED Crystal Tester Meter 5V Power Supply - Price history & Review | AliExpress Seller - CZB6721960 Store | Alitools.io
FA1-USB Frequency Analyzer Frequency Counter with USB Interface BG7TBL 20190327 | eBay
Mini Frequency Counter Sw-33 for Walkie Talkie with USB Charger Cable and SMA Male Connector - China Swr Power Meter, Mini Portable Dynamo Meter | Made-in-China.com
Surecom SF-103 Portable Frequency Counter 2MHz-2.8GHz - Walkie Talkie Two Way Radio
Bg7tbl Fa-5 Freq Counter Usb Frequency Counter Acquisition Module 1hz To 6ghz 12.4g 26.5g Frequency Meter High Precision - Protective Sleeve - AliExpress
Keysight 53220A Universal Counter/Timer, 350 MHz,12 digits/s, 100ps, LAN, USB,GPIB - Altoo Aps
An Open Source Frequency Meter and clock generator - Open Electronics - Open Electronics
Foxdelta FC4: PIC18F2550 USB 50/500MHZ Frequency Counter and RF Meter By Tony/I2TZK, Frank/k7sfn, Dinesh/VU2FD
Bg7tbl Fa-5 Freq Counter Usb Frequency Counter Acquisition Module 1hz To 6ghz 12.4g 26.5g Frequency Meter High Precision - Protective Sleeve - AliExpress
CNT-90 - Pendulum Instruments
Time & frequency counters :: Precise Time & Frequency Counter T3200U
CB Radio Accessories - Dosy TFB-3001-S 3 Meter In-Line Wattmeter SWR/A — CB Radio Supply
Frequency Counter Kit
RF Power Meter Frequency Counter – DS Instruments Microwave Equipment
FC-2800M Portable Frequency Counter 2MHz - 2.8GHz — LATNEX
USB-Powered Frequency Counter has wide RF frequency range.
