Amazon.com: NPN Approach Sensor, Inductive Proximity Switch 4mm Sensing Fast Frequency Response High Repeat Positioning Accuracy Smart Chip for Engraving Machine : Industrial & Scientific
Amazon.com: FM783 Schumann Wave DC 12V 1.5A 7.83Hz Relax Effect Ultra Low Frequency Pulse Generator : Industrial & Scientific
Fevas TCS230 Color Recognition Sensor (Static Recognition) Output Frequency Signal: Amazon.com: Industrial & Scientific
Amazon.com: RF Mixer Module, AD831 RF Mixer Module RF WideBand Amplifier DC Baseband Frequency Conversion and Quadrature Amplitude Demodulation 0.1‑500MHz Mixer Module : Industrial & Scientific
Amazon.com: 7.83HZ Schumann Wave Ultra Low Frequency Pulse Generator and Audio Resonator DC 12V 0.5A Schumann Resonance Pulse Generator (Without Power Supply) : Electronics
HiLetgo Si5351 Si5351A I2C IIC High Frequency Signal Generator Square Wave Frequency Generator 3.3-5V 8KHz -160MHz for Arduino: Amazon.com: Industrial & Scientific
Amazon.com: Linsoul Hilidac Audirect Atom2 MQA ES9281AC Chip Lossless Portable Decoding Amp/DAC with Frequency Indicator Light, 3.5mm Output, Support DSD512 (Type C) : Electronics
Amazon.com : RFID 13.56mhz 1K UID Changeable & T5577 125khz Dual chip Frequency IC/ID Key tag Readable Writable Rewrite for Copy Clone Backup : Electronics
Amazon.com: DEVMO MT8870 DTMF Voice Decoder Telephone/Audio Decoder Speech Decoding Module with Vehicle Multi-Frequency Decoder Chip MT8870 : Electronics
Amazon.com: Autel MaxiIM KM100 Key Fob Programmer Immobilizer Tool with Bluetooth VCI 2 IKEYs IMMO Programming Key Renewal Transponder Editing Chip Read/Write/Clone Frequency Detection Lite IM508 IM608 PRO : Automotive
Amazon.com: Beefunny 315MHz PCF7941 Chip FCC: KR55WK45144 Smart 3+1 4 Button Smart Remote Car Key Fob for Mercedes Benz Smart Fortwo (2) : Automotive
Amazon.com: Ximimark 1Pcs TEA5767 Radio Module FM Stereo Radio Module for Arduino 76-108MHZ Frequency AGC Circuit with Free Cable Antenna : Electronics
Frequency Converter AD831 Single Chip High Frequency RF Mixer Radio Frequency Conversion Module for HF and VHF Receiver, 0.1-500MHz: Amazon.com: Industrial & Scientific
Amazon.com: English 10 Frequency RFID NFC Card Copier Reader Writer for IC ID Cards and All 125kHz Cards +13.56mhz UID Key : Electronics
Amazon.com: YWBL-WH Double-Balanced Mixer, HMC213 Passive Double-Balanced Mixer Diode Frequency Conversion Module, Module : Musical Instruments
Amazon.com: Schumann Wave Generator 7.83Hz, DC 12V 1.0A Schumann Wave 7.83Hz Ultra-Low Frequency Pulse Generator : Industrial & Scientific
Amazon.com: Autel MaxiIM KM100 Key FOB Programming Tool, 2022 Newest Car Key Immobilizer, Read/ Write/ Clone Chip, Transponder Simulation, Frequency Detection, with Blank Autel IKEY for Universal Key Generation : Automotive
Amazon.com: A120 MT8870 DTMF Voice Decoder Module Telephone Audio Decoder Speech Decoding Voice Decoder Module with Vehicle Multi-Frequency Decoder Chip MT8870 : Electronics
AD831 High Frequency Transducer RF Mixer Module 500MHz Bandwidth Mixing Down Mixing Dual Balanced Mixer Single Chip Radio Frequency Converter -10dBm: Amazon.com: Industrial & Scientific
Amazon.com: Autel MaxiIM KM100 Key Fob Programmer Immobilizer Tool Key Creation IMMO Learning Chip Read/Write Cloning Frequency Detection Program Autel IKEY for BMW for Volkswagen for Toyota for Honda : Automotive
Amazon.com: HiLetgo 3pcs SG3525 PWM Controller Module Adjustable Frequency 100-400kHz 8V-12V : Industrial & Scientific
Amazon.com: Audio Frequency IC Chip for Apple iPhone 6, 6 Plus with Glue Card : Cell Phones & Accessories
Amazon.com: LIVISN NE555 Pulse Module Square Wave Rectangular Wave Signal Generator Frequency Duty Cycle Adjustable DC5-15V Output Frequency 1Hz-50Hz, 50Hz-1KHz, 1KHz-10KHz, 10KHz-200KHz Four Optional : Electronics
