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Amazon.com: Crystal Oscillator Frequency Counter Tester Meter, DIY 1Hz-50MHz Frequency Indicator Crystal Oscillator Tester Module Kit with 5 Digits Digital Tube Display Red : Industrial & Scientific
10 MHz Function Generator/Frequency Counter SFG-1010: Amazon.com: Industrial & Scientific
LHT00SU1 Logic Analyzer Pulse/Edge Counter Logic Analyzer Signal Generator Dual Input oscilloscope Frequency Meter for Multiple protocols: Amazon.com: Industrial & Scientific
Amazon.com: Telex SR-50 SoundMate Single Frequency Personal Reciever (Ch P 75.3) : Electronics
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Genie Model GIRUD-1T Alleviates Frequency Interference in Garage Door Opener Remotes Upgrades Most Major Brands to Intellicode Security, Black - Appliance Replacement Parts - Amazon.com
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Amazon.com: 11 dBi Yagi Antenna for TV White Space (470-862 MHz) : Electronics
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Amazon.com: Comimark 1Pcs 1 MHz -1.1GHz LED Frequency Counter Tester Measurement for Ham Radio PLJ-0802-F : Industrial & Scientific
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Genie GM3T-BX Garage Door Opener, Intellicode Dual Frequency 315/390 MHz Remote - 3-Button Transmitter - Garage Door Remote Controls - Amazon.com
Amazon.com: Wireless Reader Module, 13.56mhz Frequency Digital Reader Module, High Stability High Sensitivity for Condominium Company : Industrial & Scientific
EZ Digital FG-7002C Sweep Function Generator with Built-In 100MHz Frequency Counter, 5MHz, Digital: Science Lab Electroscopes: Amazon.com: Industrial & Scientific