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Amazon.com: English 10 Frequency RFID NFC Card Copier Reader Writer for IC ID Cards and All 125kHz Cards +13.56mhz UID Key : Electronics
Maxmartt Frequency Counter,250-450 MHZ Handheld Digital Frequency Meter Counter Wireless Remote Control Tester Tools - - Amazon.com
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Amazon.com: Acxico 1 Pcs High Accuracy 1~500 MHz Frequency Counter RF Meter Tester Module for ham Radio : Industrial & Scientific
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B&K Precision 4013B Direct Digital Synthesis Function Generator, 0.1 Hz - 12 MHz Frequency Range: Amazon.com: Industrial & Scientific
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B&K Precision 4011ATCAL Function Generator, 4 Digit LED, 0.5 Hz to 5 M Hz Frequency Range with a NIST-Traceable Calibration Certificate with Data: Amazon.com: Industrial & Scientific
RF Explorer Signal Generator Carrying Case Included - Frequency 24-6000 MHZ in The CW Area.: Amazon.com: 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
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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
Heddolf 300 Mhz Frequency Gate Or Garage Door Opener Remote Transmitter - Garage Door Remote Controls - Amazon.com
2 MHz Function Generator/Frequency Counter SFG-1002: Amazon.com: Industrial & Scientific